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He L, Wu C, Lang J, Chen L, Wu P. The main cause of tibial prosthesis malalignment after total knee arthroplasty in Southern Chinese population. Heliyon 2024; 10:e25447. [PMID: 38322978 PMCID: PMC10844569 DOI: 10.1016/j.heliyon.2024.e25447] [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: 08/11/2023] [Revised: 01/25/2024] [Accepted: 01/26/2024] [Indexed: 02/08/2024] Open
Abstract
Objectives This study aimed to determine the occurrence rate of malalignment of tibial prosthesis and explore the influencing factors. Methods 296 patients from Southern China who underwent total knee arthroplasty (TKA) were selected as the research objects. Their general demographic data were recorded. The tibial bowing angle (TBA), tibial length, medial proximal tibial angle (MPTA), tibial plateau shift angle (TPSA), tibial bone loss, lateral distal tibial angle, and overall width of tibial plateau and widths of medial and lateral tibial plateau were measured before TKA. The tibial component coronal alignment angle (TCCA) was measured after the operation. Malalignment of the tibial prosthesis was defined as TCCA <87° or TCCA >93°. Tibial bowing was indicated by TBA >2°, and lateral bowing was recorded as +. The correlations of TCCA with demographic data and pre-operation imaging measurement parameters were statistically analyzed. Results Bivariate correlation analysis revealed negative correlations between TCCA and TBA (r = -0.602, P < 0.001) and TPSA (r = -0.304, P < 0.001), and a positive correlation with MPTA (r = -0.318, P < 0.001). Multivariate linear regression analysis demonstrated a significant negative correlation between TCCA and TBA (P < 0.001). The occurrence rate of malalignment of tibial prosthesis was 12.37 %. The occurrence rates of malalignment were 22.54 % in the tibial bowing group and 6.87 % in the non-tibial bowing group, showing statistical differences (P < 0.001). Conclusion The malalignment rate of tibial prosthesis among Southern Chinese patients is relatively high, possibly attributed to the tibial anatomy anomalies, particularly the tibial bowing. The entry point should be determined based on tibial morphology.
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Affiliation(s)
- Lili He
- The First Affiliated Hospital of Wenzhou Medical University, Nanbaixiang street, Ouhai district, Wenzhou city, Zhejiang province, 325200, China
| | - Congcong Wu
- The First Affiliated Hospital of Wenzhou Medical University, Nanbaixiang street, Ouhai district, Wenzhou city, Zhejiang province, 325200, China
| | - Junzhe Lang
- The First Affiliated Hospital of Wenzhou Medical University, Nanbaixiang street, Ouhai district, Wenzhou city, Zhejiang province, 325200, China
| | - Lei Chen
- The First Affiliated Hospital of Wenzhou Medical University, Nanbaixiang street, Ouhai district, Wenzhou city, Zhejiang province, 325200, China
| | - Peng Wu
- The First Affiliated Hospital of Wenzhou Medical University, Nanbaixiang street, Ouhai district, Wenzhou city, Zhejiang province, 325200, China
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Morris BA, Leal TA, Sethakorn N, Lang J, Schehr J, Zhao SG, Morris ZS, Buehler D, Eickhoff J, Harari PM, Traynor AM, Campbell T, Baschnagel AM, Bassetti MF. Treatment Efficacy Outcomes Combining Dual Checkpoint Immunotherapy with Ablative Radiation to All Sites of Oligometastatic Non-Small Cell Lung Cancer: Survival Analysis of a Phase IB trial. Int J Radiat Oncol Biol Phys 2023; 117:S128-S129. [PMID: 37784329 DOI: 10.1016/j.ijrobp.2023.06.475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Aggressivelocal treatment to a limited number of metastatic sites in patients with oligometastatic NSCLC increases progression free survival (PFS) and overall survival (OS). Prior studies have shown the safety of combining high dose stereotactic body radiation therapy (SBRT) with single agent anti-PD1/PD-L1 therapy. Here, we report secondary survival endpoint outcomes from a phase Ib clinical trial investigating the safety of combining ablative, high dose radiation with dual checkpoint, anti-CTLA-4 and anti-PD-L1 immunotherapy for patients with oligometastatic NSCLC. MATERIALS/METHODS Patients with up to 6 sites of extracranial metastatic disease were eligible for trial enrollment. All sites of disease were treated with stereotactic body radiation therapy to a dose of 30 - 50 Gy in 5 fractions. Dual checkpoint immunotherapy was started 7 days following completion of radiation utilizing anti-CTLA-4 (Tremelimumab) and anti-PD-L1 (Durvalumab) immunotherapy for a total of four cycles followed by durvalumab alone until dose limiting toxicity or progression was observed. Primary toxicity outcomes were previously reported. Progression free and overall survival was analyzed using Kaplan Meier statistical methods. RESULTS Fifteen patients were treated with SBRT and received at least one dose of dual agent immunotherapy per protocol. The median follow up was 43 months. The median number of extracranial metastatic sites was 2. Seven patients had 3 or more sites of extracranial disease. The most commonly treated sites were separate metastatic pulmonary lesions or osseous metastatic lesions. Median progression free survival (PFS) was 42 months and median overall survival (OS) was 48 months. Seven patients remain alive without evidence of progressive disease. Prior history of brain metastases was associated with significantly worse PFS (Median PFS 4 months vs 42 months, HR 6.1 (95% CI 1.6 - 37.0) p = 0.0248), but no difference in OS (Median OS 24 vs 42 months, HR 1.9 (95% CI 0.3 - 10.4). CONCLUSION Ablative SBRT radiation to up to 6 sites of disease followed by dual checkpoint immunotherapy in oligometastatic NSCLC resulted in a favorable progression free survival (42 months) and overall survival (48 months) compared to historical controls. These findings suggest potential benefit to patient outcomes compared to immunotherapy or radiation alone in this patient population and warrant further investigation.
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Affiliation(s)
- B A Morris
- Department of Human Oncology, University of Wisconsin Carbone Cancer Center, Madison, WI
| | - T A Leal
- Emory University School of Medicine, Atlanta, GA
| | | | - J Lang
- Department of Medical Oncology, University of Wisconsin Hospitals and Clinics, Madison, WI
| | - J Schehr
- University of Wisconsin School of Medicine and Public Health, Madison, WI
| | - S G Zhao
- Department of Human Oncology, University of Wisconsin Hospitals and Clinics, Madison, WI
| | - Z S Morris
- Department of Human Oncology, University of Wisconsin Hospitals and Clinics, Madison, WI
| | - D Buehler
- Department of Pathology and Laboratory Medicine, University of Wisconsin, Madison, WI
| | - J Eickhoff
- University of Wisconsin Madison, Madison, WI
| | - P M Harari
- Department of Human Oncology, University of Wisconsin Hospitals and Clinics, Madison, WI
| | - A M Traynor
- Department of Medical Oncology, University of Wisconsin Hospitals and Clinics, Madison, WI
| | - T Campbell
- Department of Medical Oncology, University of Wisconsin Hospitals and Clinics, Madison, WI
| | - A M Baschnagel
- Department of Human Oncology, University of Wisconsin Hospitals and Clinics, Madison, WI
| | - M F Bassetti
- Department of Human Oncology, University of Wisconsin Hospitals and Clinics, Madison, WI
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Campbell G, Wells S, Huang W, Cooley GM, Jarrard D, Kyriakopoulos C, Cho SY, Lang J, Floberg JM. Disease and Toxicity Outcomes after Salvage Radiotherapy (SRT) for Biochemically Recurrent Prostate Cancer (PC) for Patients Enrolled in a Phase II, Open Label Trial Investigating Neoadjuvant Chemohormonal Therapy Followed by Radical Prostatectomy (RP). Int J Radiat Oncol Biol Phys 2023; 117:e369. [PMID: 37785259 DOI: 10.1016/j.ijrobp.2023.06.2466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Men with metastatic hormone sensitive prostate cancer have improved progression free and overall survival (PFS/OS) when treated with docetaxel and androgen deprivation therapy (ADT). Our institution conducted a phase II trial (UW17009) investigating the addition of three cycles of neoadjuvant docetaxel and ADT to RP in men with high-risk prostate cancer. Here we report toxicity and freedom from biochemical recurrence (FFBCR) for patients treated with SRT following participation in this trial. MATERIALS/METHODS Between January 17, 2018 and August 10, 2021, 28 patients enrolled on UW17009. Patients who had a recurrence and received SRT were identified. Toxicity was assessed using modified LENT (Late Effects of Normal Tissues)/RTOG (Radiation Therapy Oncology Group) criteria, and time to recurrence following SRT was determined for each patient. Additionally, the months of ADT received by each patient was recorded. FFBCR was then determined for this cohort using the method of Kaplan and Meier. RESULTS Of 28 patients enrolled on UW17009, 20 (71%) had BCR after RP. Of these, 19 received SRT, representing 68% of the patients enrolled on the trial. The rates of acute grade 1 and grade 2 GU toxicity with SRT were 37% (7) and 53% (10), respectively. The rates of acute grade 1 and grade 2 GI toxicity with SRT were 32% (6) and 37% (7), respectively. On patient experienced a grade 4 genitourinary toxicity during SRT. There were no acute grade 3 or grade 5 toxicities. The rates of late grade 1 and grade 2 GU toxicity were 16% (3) and 11% (2), respectively. The rates of late grade 1 and grade 2 GI toxicity were 11% (2) and 5% (1), respectively. There was 1 (5%) late grade 3 GU toxicity. There were no late grade 3-5 GI toxicities, or late grade 4-5 GU toxicities. The average duration of ADT after prostatectomy was 15 months (range: 0-37 months). According to the method of Kaplan and Meier, mean FFBCR after SRT was 34.0 months at a median of 37.8 months. Median FFBCR had not yet been reached. At the time of analysis, 13 patients remained free from biochemical recurrence after SRT. CONCLUSION Rates of biochemical recurrence and SRT following neoadjuvant docetaxel and ADT and then RP were consistent with historical data, as was the rate of successful SRT. Toxicities were also consistent with historical data, though there was notably one acute grade 4 GU toxicity.
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Affiliation(s)
- G Campbell
- University of Wisconsin School of Medicine and Public Health, Madison, WI
| | - S Wells
- Department of Radiology, University of Wisconsin Hospitals & Clinics, Madison, WI
| | - W Huang
- University of Wisconsin School of Medicine and Public Health, Madison, WI
| | - G M Cooley
- Department of Human Oncology, University of Wisconsin Hospital and Clinics, Madison, WI
| | - D Jarrard
- Department of Urology, University of Wisconsin Hospitals and Clinics, Madison, WI
| | - C Kyriakopoulos
- Department of Human Oncology, University of Wisconsin Hospital and Clinics, Madison, WI
| | - S Y Cho
- Department of Radiology, University of Wisconsin Hospitals and Clinics, Madison, WI
| | - J Lang
- University of Wisconsin School of Medicine and Public Health, Madison, WI
| | - J M Floberg
- University of Wisconsin School of Medicine and Public Health, Madison, WI
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Feng M, Tang Y, Fan M, Li L, Wang S, Yin Q, Ai H, Zhao S, Yin Y, Liu D, Ren Y, Li J, Li F, Lang J. Low-Dose Fractionated Radiotherapy Combined with Neoadjuvant Chemotherapy for T3-4 Nasopharyngeal Carcinoma Patients: The Preliminary Results of a Phase II Randomized Controlled Trial. Int J Radiat Oncol Biol Phys 2023; 117:e580-e581. [PMID: 37785764 DOI: 10.1016/j.ijrobp.2023.06.1921] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Over 70% of NPC patients were local advanced NPC (LANPC). The 5-year local recurrence-free survival rate is only 70% in T3-4 patients. Neoadjuvant chemotherapy (NACT) followed with concurrent chemoradiotherapy (CCRT) was recommended for LANPC patients. Low-dose fractionated radiotherapy (LDFRT), which is <100cGy, induces enhanced cell killing by the hyper-radiation sensitivity phenomenon and potentiates effects of chemotherapy. The synergy of LDFRT and NACT has not been used in the clinical practice and few studies focused on it. A single arm study found the ORR of primary site was improved to 90% for head and neck squamous carcinoma patients treated with LDFRT and NACT. Our previous study found the ORR of lymph nodes was higher in LDFRT group for high-risk LANPC patients. However, another study showed there was no significant difference between LDFRT and control group for LANPC patients. So, we aimed to investigate the potential efficacy of this novel neoadjuvant therapy for T3-4 NPC patients. MATERIALS/METHODS A total of 60 pathological confirmed T3-4 (UICC/AJCC8th) NPC patients were prospectively enrolled in our study. They were randomly assigned to two groups. For the LDFRT group, the patients received 3 cycles of NACT (docetaxel 75mg/m2 D1, cisplatin 80mg/m2 D1) with LDFRT, and followed with CCRT. LDFRT was delivered as 50cGy per fraction twice a day to primary site on D1,2 for each cycle of NACT. The patients in the control group only received NACT and followed with CCRT. All the patients underwent IGRT. RECIST criteria and CTCAE 5.0 was used to evaluate the ORR and toxicity at post-NACT and the completion of CCRT. RESULTS From February 2022 to December 2022, 60 T3-4 NPC patients were included, and 30 patients for each group. For the primary site, the median volume reduction rate and the ORR after NACT was significantly improved in LDFRT group (69.27% vs 40.10%, p<0.001;93.33% vs 73.33%, p = 0.038). For the median volume reduction rate of primary site and lymph node, it was also obviously improved in LDFRT group (86.59% vs 55.43%, p<0.001). Though there was a tendency of ORR improvement in LDFRT group, but no significant difference (96.67% vs 83.33%, p = 0.195). After the completion of CCRT, the median volume reduction rate of primary site had an increased tendency in LDFRT group (96.16% vs 88.3%, p = 0.065), but the ORR had no statistical significance (LDFRT group: CR 45.8%, PR 54.2%; control group: CR 37.5%, PR 62.5%). For the toxicity, the incidence of grade 3-4 adverse events had no difference between two groups (p = 0.786). No grade 5 adverse events occurred. CONCLUSION LDFRT combined with NACT could obviously improve the median volume reduction rate and ORR of primary tumor for T3-4 NPC patients, and the toxicity was similar and tolerable. This novel treatment could be a promising strategy to improve treatment response and needed to be confirmed further.
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Affiliation(s)
- M Feng
- Sichuan Cancer Hospital, Chengdu, China; Department of Oncology, The Third People's Hospital of Sichuan Province, Chengdu, China
| | - Y Tang
- Sichuan Cancer Hospital, Chengdu, China
| | - M Fan
- Department of Radiation Oncology, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - L Li
- Department of Radiation Oncology, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - S Wang
- APHP, Hopitaux Universitaires Henri Mondor. Service d'Oncologie-Radiothérapie, Créteil, France
| | - Q Yin
- The Third People's Hospital of Sichuan Province, Chengdu, China
| | - H Ai
- Sichuan Cancer Hospital and Institute, Chengdu, Sichuan, China
| | - S Zhao
- Sichuan Cancer Hospital and Institute, Chengdu, Sichuan, China
| | - Y Yin
- Sichuan Institute of Brain Science and Brain-like Intelligence, Chengdu, China
| | - D Liu
- Sichuan Cancer Hospital and Institute, Chengdu, Sichuan, China
| | - Y Ren
- Sichuan Cancer Hospital and Institute, Chengdu, Sichuan, China
| | - J Li
- Sichuan Cancer Hospital & Institute, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - F Li
- sichuan cancer hospital and institution, Chengdu, China
| | - J Lang
- Sichuan Cancer Hospital and Institute, Chengdu, Sichuan, China
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Feng M, Zhao S, Fan M, Li L, Wang S, Ai H, Tang Y, Yin Y, Ren Y, Li J, Li F, Lang J. Long-Term Survival Outcome for Metastatic Nasopharyngeal Carcinoma Patients Receiving Radiation to Primary and Metastatic Sites with Palliative Chemotherapy. Int J Radiat Oncol Biol Phys 2023; 117:e581. [PMID: 37785765 DOI: 10.1016/j.ijrobp.2023.06.1922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) A total of 6% - 8% of NPC patients were initial diagnosed as distant metastatic disease. The median overall survival (OS) is only 10-15 months with palliative chemotherapy for these patients. A phase III study showed that palliative chemotherapy combined with radical radiotherapy to primary site could be a newly effective treatment method for metastatic NPC. Another phase 2, RCT found that the patients who had the solid tumors with 1-5 metastases received standard palliative care plus stereotactic body radiation therapy (SABR), and the 5-year OS were improved to 42.3%. Nevertheless, there was few studies focus on the radiation to both primary site and metastatic lesions. Therefore, we aimed to investigate the potential clinical benefits for initial diagnosed metastatic NPC patients with radiation to both primary site and distant metastatic lesions plus palliative chemotherapy. MATERIALS/METHODS Metastatic NPC patients treated with radiation to both primary site and distant metastatic lesions plus palliative chemotherapy were retrospectively collected in our hospital from May 2008 to May 2022. For treatment group, all patients underwent IGRT according to ICRU reports 50 and 62. The prescribed dose for primary site: GTVT: ≥66Gy, GTVn: ≥66Gy, CTV1: 60-66Gy, CTV2 54-60Gy, CTVln 50-54Gy. And the prescribed dose for distant metastatic lesions was more than 30Gy. For the control group, the patients treated with palliative chemotherapy were selected by propensity score matching from our hospital. The regimen for palliative chemotherapy was cisplatin-based chemotherapy every three weeks (100mg/m2 D1) for both groups. Kaplan-Meier method was used to analyze the OS. Cox regression model was used for multivariate analysis. RESULTS A total of 54 metastatic NPC patients with radiation to both primary site and distant metastatic lesions were retrospectively included in the treatment group, and another 54 patients were selected as the control group. The median follow-up time was 52 months. In the treatment group, the median age was 52 years (37-82), male (68%), female (32%), the main metastatic sites were bone (36 cases, 66%), lung (18 cases, 33%) and liver (10 cases, 18%). There were 23 oligometastasis cases and 31 cases. 3-year and 5-year OS in the treatment group were both dramatically improved than control group (63.2% vs 50.6%, p<0.05; 49.6% vs 38.9%, p<0.05). Multivariate analysis showed that T stage, liver metastatic lesion and oligometastases were the independent prognostic factors for them. CONCLUSION Palliative chemotherapy combined with radiation to primary sites and distant metastatic lesions might improve the OS for initial diagnosed distant metastatic NPC patients. More prospective clinical trials were needed to confirm it further.
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Affiliation(s)
- M Feng
- Sichuan Cancer Hospital, Chengdu, China; Department of Oncology, The Third People's Hospital of Sichuan Province, Chengdu, China
| | - S Zhao
- Sichuan Cancer Hospital and Institute, Chengdu, Sichuan, China
| | - M Fan
- Department of Radiation Oncology, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - L Li
- Department of Radiation Oncology, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - S Wang
- University of Nebraska Medical Center, Omaha, NE
| | - H Ai
- Sichuan Cancer Hospital and Institute, Chengdu, Sichuan, China
| | - Y Tang
- Sichuan Cancer Hospital, Chengdu, China
| | - Y Yin
- Sichuan Institute of Brain Science and Brain-like Intelligence, Chengdu, China
| | - Y Ren
- Sichuan Cancer Hospital and Institute, Chengdu, Sichuan, China
| | - J Li
- Sichuan Cancer Hospital & Institute, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - F Li
- Department of Radiation Oncology, UPMC Hillman Cancer Center, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - J Lang
- Department of Radiation Oncology, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, University of Electronic Science and Technology of China, Chengdu, China
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Zou P, Lin R, Fang Z, Chen J, Guan H, Yin J, Xue X, Chen M, Lang J. A Ferroptosis Microneedle Integrated Wireless Implanted Photodynamic Therapy Pellet for Cancer Treatment. Int J Radiat Oncol Biol Phys 2023; 117:e280. [PMID: 37785049 DOI: 10.1016/j.ijrobp.2023.06.1261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Effective, non-toxic, and targeted induction of lung cancer cell death is urgently needed. The goal of this research is to create a new implantable battery-free therapeutic pellet with integrated drug microneedles that allows for wireless photodynamic therapy (PDT) and targeted release of a ferroptosis inducer (Imidazole ketone erastin, IKE) into tumor tissue. MATERIALS/METHODS A wireless power unit, μ-LED illuminant, a flexible control circuit, and an IKE-stored biodegradable microneedle enclosed in polydimethylsiloxane (PDMS) were all built into an integrated therapeutic pellet. Lung cancer cells were used to illustrate the in vitro viability and molecular biological processes of this system. Therapeutic pellet implanted into the LLC xenograft C57BL/6 model. PDT was conducted by 660 nm laser irradiation after injecting a photosensitizer (Chlorin e6, Ce6) and targeted IKE released into the tumor. Systematically analyzing the therapeutic effects on lung cancer and toxic side-effects. RESULTS The PDT-IKE group reduced cellular viability by 90% compared to the control group at the cellular level. In mouse model studies, the PDT-IKE group suppressed tumors at 78.8%, three or four times greater than the PDT (26.6%) or IKE (19.2%) group alone. The PDT-IKE group also controlled IKE release more precisely with heated electrodes, reducing nephrotoxicity and improving safety. Moreover, the combination of PDT and IKE can effectively cause ferroptosis in tumor cells, both in vivo and in vitro. CONCLUSION A new implantable battery-free therapeutic pellet was designed for wireless PDT with integrated IKE microneedles to induce obvious ferroptosis in lung cancer. The proposed pellet would provide a promising strategy for cancer treatment.
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Affiliation(s)
- P Zou
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, China; Department of Radiation Oncology, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center University of Electronic Science and Technology of China affiliated Cancer Hospital Radiation Oncology Key Laboratory of Sichuan Province, Chengdu, Sichuan, China
| | - R Lin
- School of Physics, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Z Fang
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, China; Department of Radiation Oncology, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center University of Electronic Science and Technology of China affiliated Cancer Hospital Radiation Oncology Key Laboratory of Sichuan Province, Chengdu, Sichuan, China
| | - J Chen
- Department of Radiation Oncology, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center University of Electronic Science and Technology of China affiliated Cancer Hospital Radiation Oncology Key Laboratory of Sichuan Province, Chengdu, Sichuan, China; Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China
| | - H Guan
- School of Physics, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - J Yin
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, China; Department of Radiation Oncology, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center University of Electronic Science and Technology of China affiliated Cancer Hospital Radiation Oncology Key Laboratory of Sichuan Province, Chengdu, Sichuan, China
| | - X Xue
- Department of Radiation Oncology, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center University of Electronic Science and Technology of China affiliated Cancer Hospital Radiation Oncology Key Laboratory of Sichuan Province, Chengdu, Sichuan, China; School of Physics, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - M Chen
- School of Medicine, University of Electronic Science and Technology of China, Chengdu, Sichuan, China; Department of Radiation Oncology, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center University of Electronic Science and Technology of China affiliated Cancer Hospital Radiation Oncology Key Laboratory of Sichuan Province, Chengdu, Sichuan, China
| | - J Lang
- Department of Radiation Oncology, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center University of Electronic Science and Technology of China affiliated Cancer Hospital Radiation Oncology Key Laboratory of Sichuan Province, Chengdu, Sichuan, China; Department of Radiation Oncology, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, University of Electronic Science and Technology of China, Chengdu, China
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Lang J, Przybytek M, Lesiuk M, Jeziorski B. Collision-induced three-body polarizability of helium. J Chem Phys 2023; 158:114303. [PMID: 36948830 DOI: 10.1063/5.0137879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023] Open
Abstract
We present the first-principles determination of the three-body polarizability and the third dielectric virial coefficient of helium. Coupled-cluster and full configuration interaction methods were used to perform electronic structure calculations. The mean absolute relative uncertainty of the trace of the polarizability tensor, resulting from the incompleteness of the orbital basis set, was found to be 4.7%. Additional uncertainty due to the approximate treatment of triple and the neglect of higher excitations was estimated at 5.7%. An analytic function was developed to describe the short-range behavior of the polarizability and its asymptotics in all fragmentation channels. We calculated the third dielectric virial coefficient and its uncertainty using the classical and semiclassical Feynman-Hibbs approaches. The results of our calculations were compared with experimental data and with recent Path-Integral Monte Carlo (PIMC) calculations [Garberoglio et al., J. Chem. Phys. 155, 234103 (2021)] employing the so-called superposition approximation of the three-body polarizability. For temperatures above 200 K, we observed a significant discrepancy between the classical results obtained using superposition approximation and the ab initio computed polarizability. For temperatures from 10 K up to 200 K, the differences between PIMC and semiclassical calculations are several times smaller than the uncertainties of our results. Except at low temperatures, our results agree very well with the available experimental data but have much smaller uncertainties. The data reported in this work eliminate the main accuracy bottleneck in the optical pressure standard [Gaiser et al., Ann. Phys. 534, 2200336 (2022)] and facilitate further progress in the field of quantum metrology.
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Affiliation(s)
- J Lang
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | - M Przybytek
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | - M Lesiuk
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
| | - B Jeziorski
- Faculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland
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Feng M, Du X, Yin Y, Yan L, Wang H, Yin Q, Li L, Fan M, Lai X, Huang Y, Ren J, Lang J. Early Prediction Model of Radiation-Induced Xerostomia Based on Radiomics during Radiotherapy for Nasopharyngeal Carcinoma. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.420] [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: 10/31/2022]
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Yin J, Yin W, Zhang S, Lang J, Lu S, Feng M. A One-Arm, Open, Single-Center Exploratory Clinical Study on the Safety and Efficacy of Anlotinib in the Treatment of Relapsed High-Grade Gliomas. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.851] [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: 11/29/2022]
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Pan H, Cao J, Wu C, Huang F, Wu P, Lang J, Liu Y. Osteoporosis is associated with elevated baseline cerebrospinal fluid biomarkers and accelerated brain structural atrophy among older people. Front Aging Neurosci 2022; 14:958050. [PMID: 36185490 PMCID: PMC9523506 DOI: 10.3389/fnagi.2022.958050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 05/31/2022] [Accepted: 08/23/2022] [Indexed: 11/24/2022] Open
Abstract
Objective The aim of this study was to examine whether osteoporosis (OP) is associated with Alzheimer’s disease-related cerebrospinal fluid (CSF) biomarkers and brain structures among older people. Methods From the Alzheimer’s disease Neuroimaging Initiative database, we grouped participants according to the OP status (OP+/OP−) and compared the Alzheimer’s disease (AD)-related CSF biomarker levels and the regional brain structural volumes between the two groups using multivariable models. These models were adjusted for covariates including age, education, gender, diagnosis of Alzheimer’s disease, and apolipoprotein E4 carrier status. Results In the cross-sectional analyses at baseline, OP was related to higher CSF t-tau (total tau) and p-tau181 (tau phosphorylated at threonine-181) but not to CSF amyloid-beta (1–42) or the volumes of entorhinal cortex and hippocampus. In the longitudinal analyses, OP was not associated with the change in the three CSF biomarkers over time but was linked to a faster decline in the size of the entorhinal cortex and hippocampus. Conclusion OP was associated with elevated levels of CSF t-tau and p-tau181 at baseline, and accelerated entorhinal cortex and hippocampal atrophies over time among older people.
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Affiliation(s)
- Hao Pan
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Jiali Cao
- Department of Outpatient, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Congcong Wu
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Furong Huang
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Peng Wu
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Junzhe Lang
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yangbo Liu
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
- *Correspondence: Yangbo Liu,,
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Su C, Liu Y, Wu P, Lang J, Chen L. Comparison Between Periarticular Analgesia Versus Intraarticular Injection for Effectiveness and Safety After Total Knee Arthroplasty. J Perianesth Nurs 2022; 37:952-955. [PMID: 36123240 DOI: 10.1016/j.jopan.2022.04.010] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 04/08/2022] [Accepted: 04/24/2022] [Indexed: 10/14/2022]
Abstract
PURPOSE In most studies, local infiltration analgesia (LIA) can provide better analgesic effect in the early postoperative period, but the optimal technique is unknown. Our study was designed to evaluated the early clinical efficacy and safety of periarticular analgesia versus intraarticular injection in Total knee arthroplasty (TKA). DESIGN A prospective study was conducted on 100 patients admitted for TKA. Subjects were divided into two groups: 50 in group A, 50 in Group B. METHODS Patients in group A received periarticular analgesia with ropivacaine 300 mg and morphine 5 mg (the drugs were diluted with saline to 50 ml) in the periosteal borders, posterior capsule and extensor apparatus and subcutaneous tissues during surgery. After stitching of joint capsule, tranexamic acid (TXA) 2 g (20 ml) was injected into the articular cavity. Group B patients had all of the 70 mL mixture (ropivacaine 300 mg, morphine 5 mg and TXA 2 g) injected intraarticularly after stitching of the joint capsule. We assessed postoperative length of stay (LOS), knee functional outcome, pain, and complications after surgery. FINDINGS There was no statistical difference in visual analog scale (VAS) scores for knee pain between the two groups on postoperative day (POD)1, 3, or 30 (P > .05). Mean postoperative LOS was 7.40 ± 1.98 days in Group A, compared to 8.02 ± 2.09 days in Group B (P > .05). No significant differences between groups were seen in the mean swelling ratio (P > .05), and no significant differences were found in the Hospital for Special Surgery (HSS) knee score and range of motion (ROM) at 30 days follow-up (P > .05). There was also no statistical difference in the incidence of complications (such as superficial wound infection, deep vein thrombosis (DVT) and nausea and vomiting) between the Group A and the Group B. CONCLUSIONS In conclusion, it seems that intraarticular injection had a similar analgesic effect compared with periarticular injection when adopting a multi-modal analgesia regimen. Our results suggest that there is no obvious advantage with the use of periarticular injections compared to intraarticular injection. The authors believe that intraarticular injection may be a better technique compared with periarticular injections in the absence of a drainage tube because intraarticular injection can reduce the number of surgical steps and have similar postoperative outcomes.
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Affiliation(s)
- Chenxian Su
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yangbo Liu
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Peng Wu
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Junzhe Lang
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Lei Chen
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.
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Lang J, Cheng L, Yu Z, Wu Y, Wang X. Complete $f$-Moment Convergence for Randomly Weighted Sums of Extended Negatively Dependent Random Variables and Its Statistical Application. Theory Probab Appl 2022. [DOI: 10.1137/s0040585x97t990915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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13
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Lang J, Jeschke S, Müller RM, Herziger B, Bertsche T, Neininger MP, Bertsche A. Knowledge and attitudes towards epilepsy: A survey of people with epilepsy. Epilepsy Res 2022; 184:106964. [PMID: 35691219 DOI: 10.1016/j.eplepsyres.2022.106964] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 05/18/2022] [Accepted: 06/02/2022] [Indexed: 11/19/2022]
Abstract
PROBLEM Many studies focus on knowledge and attitudes of unaffected people towards epilepsy and people with epilepsy (PWE). The perspective of PWE themselves is much less explored. METHODS We invited PWE in Germany to answer a questionnaire on their knowledge and attitudes towards epilepsy and PWE. RESULTS The questionnaire was completed by 230 PWE (median age: 40 years; min./max.: 19/83; 66 % female). Of PWE, 22 % thought that PWE are more helpful, and 10 % thought that PWE are friendlier than other people. Nevertheless, reservations about relationships and friendships with other PWE existed: of the participants, only 74 % would definitely go on a date with another PWE, and 90 % would definitely include another PWE they liked into their circle of friends. Swimming was judged as more dangerous for PWE than for healthy people by 71 % of PWE. Of PWE, 86 % correctly assumed it was not useful to hold a person having a seizure to the ground. Putting a solid object in the mouth was considered not useful by 85 % of PWE. Of PWE, 20 % would definitely administer an available emergency medication if another PWE had a seizure. For 67 % of PWE, certain preconditions should have to be fulfilled such as an available document with instructions. Of PWE, 11 % stated they would not administer an available emergency medication if another PWE had a seizure. CONCLUSION Although positive attitudes of PWE towards other PWE exist, we also found some reservations calling for psychosocial support. Most PWE had sufficient knowledge about risks of certain activities and about measures to be taken during a seizure. Nevertheless, a small group of PWE showed knowledge gaps. Thus, educational support still seems essential.
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Affiliation(s)
- J Lang
- Neuropaediatrics, University Hospital for Children and Adolescents, Ernst-Heydemann-Straße 8, Rostock 18057, Germany.
| | - S Jeschke
- Neuropaediatrics, University Hospital for Children and Adolescents, Ernst-Heydemann-Straße 8, Rostock 18057, Germany.
| | - R M Müller
- Neuropaediatrics, University Hospital for Children and Adolescents, Ernst-Heydemann-Straße 8, Rostock 18057, Germany.
| | - B Herziger
- Neuropaediatrics, University Hospital for Children and Adolescents, Ernst-Heydemann-Straße 8, Rostock 18057, Germany.
| | - T Bertsche
- Clinical Pharmacy, Institute of Pharmacy, Medical Faculty, Leipzig University, and Drug Safety Center, Leipzig University and Leipzig University Hospital, Bruederstrasse 32, Leipzig 04103, Germany.
| | - M P Neininger
- Clinical Pharmacy, Institute of Pharmacy, Medical Faculty, Leipzig University, and Drug Safety Center, Leipzig University and Leipzig University Hospital, Bruederstrasse 32, Leipzig 04103, Germany.
| | - A Bertsche
- Neuropaediatrics, University Hospital for Children and Adolescents, Ernst-Heydemann-Straße 8, Rostock 18057, Germany.
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Knitza J, Grahammer M, Boeltz S, Lang J, Detert M, Bader M, Kleyer A, Simon D, Krönke G, Schett G, Detert J. POS1485-HPR DIGITALLY ENHANCED TREAT-TO-TARGET AND SHARED DECISION-MAKING APPROACH WITH A DIGITAL HEALTH APPLICATION: INTERIM RESULTS FROM A RANDOMIZED CONTROLLED TRIAL. Ann Rheum Dis 2022. [DOI: 10.1136/annrheumdis-2022-eular.3890] [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: 11/04/2022]
Abstract
BackgroundDigital health applications (DHA) became indispensable patient companions accelerated by the current COVID pandemic [1]. In 2020, for the first time worldwide, a regulatory framework to reimburse DHA was established in Germany. To get listed as a DHA, preliminary evidence needs to be generated – next to fulfilling highest standards in quality and safety. The DHA ABATON RA consists of two parts; 1) digital shared-decision-making (SDM) including choosing an appropriate electronic patient reported outcome (ePRO) instrument and the respective ePRO target for the next visit, 2) remote patient monitoring and ePRO tracking by the patient. Hereby, ABATON RA supports a digitally guided Treat-to-Target (T2T) approach.ObjectivesThe objective of this study is to evaluate a potentially beneficial effect for the patient by using ABATON RA.MethodsThree-armed, partially blinded multicenter trial (RCT) including RA patients who regularly use a smartphone. Patients attend 3 visits, 3 months apart (T0, T3, T6), with one follow-up visit (T9). Intervention group (IG): Patients use ABATON RA. Via SDM patients and rheumatologists choose a specific ePRO and respective treatment target for the next visit in three months, e.g. RAID ≤4. Control group (CG): Standard of care treatment (no DHA). Placebo group (PG): Usage of a placebo version of ABATON RA providing only Regensburger Insomnie Skala (RIS) and Epworth Sleepiness Scale (ESS) as ePROs. No SDM is conducted and ePRO results are not presented to HCP.ResultsThis interim analysis evaluated the first 38 patients that completed T3. IG: 13 patients (Av. age 55.9, 61.5% females); PG: 12 (Av. age 50.7, 66.7% females); CG: 13 (Av. age 56.1, 76.9% females). We observe a significant improvement in the mean over time in a pairwise comparison within the intervention group for the following: Pt-GA mean difference of 2.98 (p = 0.025, partial η2 = 0.353), pain mean difference of 1.46 (p = 0.049, partial η2 = 0.286) whereas all pairwise comparisons for the two parameters were non-significant in PG and CG. The patient reactions assessment (PRA) score, measuring patient perceived quality of the patient-provider relationship, increased by a mean of 4.15 points in IG, compared to a slight decrease of 1.92 for PG and 2.77 for CG.ConclusionThese preliminary findings show beneficial differences among the groups in favor of IG: 1) for quality of life and 2) the physician-patient-relationship. A digitally enhanced therapy is non-inferior to the gold-standard of exclusive in-person treatment. Patients seem willing and able to get involved in an enhanced treat-to-target and shared decision-making approach.References[1]Kernder A, Morf H, Klemm P, Vossen D, Haase I, Mucke J, et al. Digital rheumatology in the era of COVID-19: results of a national patient and physician survey. RMD Open. 2021;7:e001548.Disclosure of InterestsJohannes Knitza Consultant of: ABATON GmbH, Vila Health, Grant/research support from: ABATON GmbH, Manuel Grahammer Shareholder of: ABATON GmbH, Employee of: ABATON GmbH, Sebastian Boeltz: None declared, Judith Lang: None declared, Markus Detert: None declared, Maram Bader Employee of: ABATON GmbH, Arnd Kleyer: None declared, David Simon: None declared, Gerhard Krönke: None declared, Georg Schett: None declared, Jacqueline Detert: None declared
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Yu S, Chen L, Zhang Y, Wu P, Wu C, Lang J, Liu Y, Yuan J, Jin K, Chen L. A combined diagnostic approach based on serum biomarkers for sarcopenia in older patients with hip fracture. Australas J Ageing 2022; 41:e339-e347. [PMID: 35438829 DOI: 10.1111/ajag.13064] [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: 09/28/2021] [Revised: 02/07/2022] [Accepted: 02/16/2022] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To develop prediction models for sarcopenia in older patients with hip fracture based on a specific set of serum biomarkers aimed at estimating appendicular skeletal muscle mass and diagnosing sarcopenia. METHODS Older patients with hip fracture admitted to the First Affiliated Hospital of Wenzhou Medical University from January 2020 to June 2021 were recruited, screened for sarcopenia and tested for peripheral blood levels of specific serum biomarkers preoperatively. Participants were randomly divided into a training set and test set. Common factors were extracted from selected biomarkers through factor analysis, and regression models were established in the training set and verified in the test set. RESULTS A total of 212 patients were enrolled, and the prevalence of sarcopenia was 22.8% in men and 19.5% in women. Significant differences in cystatin C, estimated glomerular filtration rate based on cystatin C, sarcopenia index, new sarcopenia index, haemoglobin and albumin were observed between patients with and without sarcopenia. Two regression models were developed in the training set. The validation of the test set confirmed that the linear regression model showed good consistency in predicting appendicular skeletal muscle mass index, while the logistic regression model showed high accuracy in predicting sarcopenia. CONCLUSIONS Both prediction models exhibited potential clinical application value for estimating appendicular skeletal muscle mass and predicting sarcopenia in older patients with hip fracture, providing new insights into the serological diagnosis of sarcopenia.
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Affiliation(s)
- Shengwu Yu
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, China
| | - Li Chen
- Orthopaedics Unit, St Vincent's Hospital Melbourne, Melbourne, Victoria, Australia
| | - Yining Zhang
- School of Laboratory Medicine and Life Science, Wenzhou Medical University, Zhejiang, China
| | - Peng Wu
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, China
| | - Congcong Wu
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, China
| | - Junzhe Lang
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, China
| | - Yangbo Liu
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, China
| | - Jiandong Yuan
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, China
| | - Keke Jin
- Department of Pathophysiology, Wenzhou Medical University, Zhejiang, China
| | - Lei Chen
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Zhejiang, China
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Ning Y, Roberts NJ, Qi J, Peng Z, Long Z, Zhou S, Gu J, Hou Z, Yang E, Ren Y, Lang J, Liang Z, Zhang M, Ma J, Jiang G. Inbreeding status and implications for Amur tigers. Anim Conserv 2021. [DOI: 10.1111/acv.12761] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Y. Ning
- College of Life Science Jilin Agricultural University Changchun China
- Feline Research Center of National Forestry and Grassland Administration College of Wildlife and Protected Area Northeast Forestry University Harbin China
| | - N. J. Roberts
- Feline Research Center of National Forestry and Grassland Administration College of Wildlife and Protected Area Northeast Forestry University Harbin China
| | - J. Qi
- Feline Research Center of National Forestry and Grassland Administration College of Wildlife and Protected Area Northeast Forestry University Harbin China
- School of Forestry Northeast Forestry University Harbin China
| | - Z. Peng
- School of Basic Medical Sciences Nanchang University Nanchang China
| | - Z. Long
- Feline Research Center of National Forestry and Grassland Administration College of Wildlife and Protected Area Northeast Forestry University Harbin China
| | - S. Zhou
- Heilongjiang Research Institute of Wildlife Harbin China
| | - J. Gu
- Feline Research Center of National Forestry and Grassland Administration College of Wildlife and Protected Area Northeast Forestry University Harbin China
| | - Z. Hou
- College of Wildlife and Protected Area Northeast Forestry University Harbin China
| | - E. Yang
- Wildlife Conservation Society Hunchun China
| | - Y. Ren
- Wildlife Conservation Society Hunchun China
| | - J. Lang
- Jilin Hunchun Amur Tiger National Nature Reserve Hunchun China
| | - Z. Liang
- Heilongjiang Laoyeling Amur Tiger National Nature Reserve Dongning China
| | - M. Zhang
- Feline Research Center of National Forestry and Grassland Administration College of Wildlife and Protected Area Northeast Forestry University Harbin China
| | - J. Ma
- Feline Research Center of National Forestry and Grassland Administration College of Wildlife and Protected Area Northeast Forestry University Harbin China
| | - G. Jiang
- Feline Research Center of National Forestry and Grassland Administration College of Wildlife and Protected Area Northeast Forestry University Harbin China
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Chen M, Lang J. Combined Stereotactic Ablative Radiotherapy and Fibroblast Activation Protein Based Whole Cell Tumor Vaccine Synergize to Suppress Tumor Growth and Metastasis. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.169] [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]
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Feng M, Yin Q, Qi Y, Lu L, Lan M, Xin L, Ming F, Jun Z, Fang L, Wang W, Lang J. Low-Dose Ultra-Fractionated Radiotherapy as a Chemosensitizer of Neoadjuvant Chemotherapy for Locally Advanced Nasopharyngeal Carcinoma: A Preliminary Results of the Phase II Trial. Int J Radiat Oncol Biol Phys 2021. [DOI: 10.1016/j.ijrobp.2021.07.1122] [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]
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Feng M, Yan L, Du X, Wang H, Ren J, Wang M, Yin Q, Lai X, Li L, Lan M, Lu S, Huang Y, Li F, Xu X, Wang W, Lang J. 873P Early efficacy prediction of nasopharyngeal carcinoma based on 3D-ADC acquired during radiotherapy: A phase II prospective study. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1283] [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
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Feng M, Wang H, Yin J, Ren J, Lang J. PO-0983 early prediction of parotid gland function based on ADC during radiotherapy for NPC: a phase Ⅱ study. Radiother Oncol 2021. [DOI: 10.1016/s0167-8140(21)07434-x] [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]
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21
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Feng M, Yin Q, Qi Y, Li L, Lan M, Lai X, Fan M, Zhang J, Li F, Wang W, Lang J. PO-0978 Low-dose radiotherapy as a chemosensitizer of neoadjuvant chemotherapy for LA-NPC: a phase II trial. Radiother Oncol 2021. [DOI: 10.1016/s0167-8140(21)07429-6] [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]
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22
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Wang Z, Chen K, Wu C, Chen J, Pan H, Liu Y, Wu P, Yuan J, Huang F, Lang J, Du J, Xu J, Jin K, Chen L. An emerging role of Prevotella histicola on estrogen deficiency-induced bone loss through the gut microbiota-bone axis in postmenopausal women and in ovariectomized mice. Am J Clin Nutr 2021; 114:1304-1313. [PMID: 34113963 DOI: 10.1093/ajcn/nqab194] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [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: 01/21/2021] [Accepted: 05/18/2021] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND The gut microbiota (GM)-bone axis has emerged as a crucial mediator of bone homeostasis. Estrogen deficiency-induced bone loss is closely associated with an altered GM. However, the underlying mechanisms remain unclear. OBJECTIVES We sought to explore the putative effects of GM on estrogen deficiency-induced bone loss and determine a potential mechanism. METHODS Fecal samples collected from postmenopausal women with osteoporosis (PMO) and with normal bone mass (PMN) were examined by 16S ribosomal RNA (rRNA) gene sequencing and analysis. Prevotella histicola, a typical species of Prevotella, was orally given to female C57BL6/J mice after ovariectomy [ovariectomized (OVX)]. The primary outcomes were changes in bone microstructures as measured by micro-computed tomography scanning and bone histomorphometry analysis. Secondary outcomes included changes in osteoclast activity, the expression of osteoclastogenic cytokines, and gut permeability, which were measured by ELISA, qRT-PCR, western blot, and immunofluorescence. RESULTS As demonstrated through 16S rRNA gene sequencing and analysis, the GM in the PMO group featured a significantly decreased proportion of the genus Prevotella in comparison with that in the PMN group (∼60%, P < 0.05). In animal experiments, P. histicola-treated OVX mice maintained a relatively higher bone volume than OVX controls. Mechanistically, the protective effects of P. histicola on bone mass were found to be associated with its modulation of gut permeability as well as its inhibitory effects on osteoclast activity which function by attenuating osteoclastogenic cytokine expression. CONCLUSIONS The GM diversity and composition between the PMN and PMO groups were significantly different. In particular, the proportion of the genus Prevotella was notably higher in the PMN group, demonstrating its potential bone-protective effects on osteoporosis. Further animal study using osteoporotic mice showed P. histicola could prevent estrogen deficiency-induced bone loss through the GM-bone axis. Thus, P. histicola may serve as a therapeutic agent or target for osteoporosis treatment.
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Affiliation(s)
- Zhongxiang Wang
- Department of Pathophysiology, Wenzhou Medical University, Wenzhou, China.,Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Kai Chen
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China.,School of Biomedical Sciences, The University of Western Australia, Perth, WA, Australia
| | - Congcong Wu
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Junhao Chen
- School of Biomedical Sciences, The University of Western Australia, Perth, WA, Australia
| | - Hao Pan
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yangbo Liu
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Peng Wu
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Jiandong Yuan
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Furong Huang
- Department of Pathophysiology, Wenzhou Medical University, Wenzhou, China.,Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Junzhe Lang
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Juanjuan Du
- Nervous Institute in Basic College, Wenzhou Medical University, Wenzhou, China
| | - Jiake Xu
- School of Biomedical Sciences, The University of Western Australia, Perth, WA, Australia
| | - Keke Jin
- Department of Pathophysiology, Wenzhou Medical University, Wenzhou, China
| | - Lei Chen
- Department of Orthopaedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
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Huang H, Jiang W, Hong K, Cai J, He Y, Ma X, Wu P, Lang J, Ma Y, Huang C, Yuan J. Protocatechualdehyde inhibits receptor activator of nuclear factor kappa-B ligand-induced osteoclastogenesis and attenuates lipopolysaccharide-induced inflammatory osteolysis. Phytother Res 2021; 35:3821-3835. [PMID: 33778997 DOI: 10.1002/ptr.7088] [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: 11/08/2020] [Revised: 02/22/2021] [Accepted: 02/22/2021] [Indexed: 12/31/2022]
Abstract
Inflammatory osteolysis as a consequence of chronic bacterial infection underlies several lytic bone conditions, such as otitis media, osteomyelitis, septic arthritis, periodontitis, periprosthetic infection, and aseptic loosening of orthopedic implants. In consideration of the lack of effective preventive or treatments options against infectious osteolysis, the exploitation of novel pharmacological compounds/agents is critically required. The present study assessed the effect of protocatechualdehyde (PCA), a natural occurring polyphenolic compound with diverse biological activities including but not limited to antibacterial and antiinflammatory properties, on nuclear factor-κB ligand (RANKL)-induced osteoclastogenesis in vitro and lipopolysaccharide (LPS)-induced bone loss in vivo. In the present study, it was found that PCA potently inhibited RANKL-induced osteoclast formation, fusion, and activation toward bone resorption in a dose-dependent manner via the suppression of the ERK/c-Fos/nuclear factor of activated T-cells, cytoplasmic 1 signaling axis. It was further demonstrated that the in vivo administration of PCA could effectively protect mice against the deleterious effects of LPS-induced calvarial bone destruction by attenuating osteoclast formation and activity in a dose-dependent manner. Collectively, these findings provided evidence for the potential therapeutic application of PCA in the prevention and treatment of infectious osteolytic conditions, and potentially other osteoclast-mediated bone diseases.
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Affiliation(s)
- Hao Huang
- Department of Orthopedics, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, China
| | - Wenli Jiang
- Department of Biochemistry and Molecular Biology, College of Basic Medical, Navy Medical University, Shanghai, China
| | - Kehua Hong
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Jie Cai
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yongchao He
- Department of Orthopedics, The Affiliated Cangnan Hospital of Wenzhou Medical University, Wenzhou, China
| | - Xuming Ma
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Peng Wu
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Junzhe Lang
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yuegang Ma
- Department of Orthopedics, Shaoxing People's Hospital (Shaoxing Hospital, Zhejiang University School of Medicine), Shaoxing, China
| | - Caiguo Huang
- Department of Biochemistry and Molecular Biology, College of Basic Medical, Navy Medical University, Shanghai, China
| | - Jiandong Yuan
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
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Pang H, Zhang L, Han S, Li Z, Gong J, Liu Q, Liu X, Wang J, Xia Z, Lang J, Xu T, Zhu L. A nationwide population-based survey on the prevalence and risk factors of symptomatic pelvic organ prolapse in adult women in China - a pelvic organ prolapse quantification system-based study. BJOG 2021; 128:1313-1323. [PMID: 33619817 PMCID: PMC8252658 DOI: 10.1111/1471-0528.16675] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [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: 10/01/2020] [Accepted: 02/19/2021] [Indexed: 01/22/2023]
Abstract
Objective To determine the prevalence, risk factors and burden of symptomatic pelvic organ prolapse (POP) in adult Chinese women. Design A nationwide cross‐sectional study. Setting Six geographic regions of mainland China. Participants Women aged ≥20 years old were included using a multistage, stratified, cluster sampling method from February 2014 through March 2016. Methods We conducted a nationwide epidemiological survey. ‘Symptomatic POP’ was determined by a screening questionnaire and physical examination. Main outcome measurements Prevalence, odds ratio (OR). Results A total of 55 477 women (response rate, 92.5%; mean age, 45.1 years old) were included. The prevalence of symptomatic POP was 9.6% (95% CI 9.3–9.8%) and it increased with age in each stage (P < 0.05). Symptomatic POP‐Q stage II, which mainly involved anterior compartment prolapse, was the most common (7.52%). Minor/moderate burden of symptomatic POP was the most common, with a prevalence of 9.7% (95% CI 9.5–10.0%). The odds for each type of symptomatic POP increased with age (>50 vs 20‐29 years old in symptomatic POP‐Q stage II or higher, OR increased from 1.34 [95% CI 1.32–1.45] to 7.34 [95% CI 4.34–12.41]) and multiple vaginal deliveries (multiparous [≥3] vs nulliparous in symptomatic POP‐Q stage II or higher, OR increased from 1.91 [1.71–2.13] to 2.78 [2.13–3.64]). Conclusions We found a lower prevalence of symptomatic POP than that found in other surveys. The main type of symptomatic POP was anterior compartment prolapse, indicating that it should be considered first. Older age and multiple vaginal deliveries increased the odds of each type of symptomatic POP. Tweetable abstract The prevalence of female symptomatic pelvic organ prolapse (POP) was 9.6% in China. It is related to old age and multiple vaginal deliveries. The prevalence of female symptomatic pelvic organ prolapse (POP) was 9.6% in China. It is related to old age and multiple vaginal deliveries.
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Affiliation(s)
- H Pang
- Medical Research Center, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - L Zhang
- Department of Obstetrics and Gynecology, Peking University First Hospital, Beijing, China
| | - S Han
- Department of Epidemiology and Statistics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and School of Basic Medicine, Peking Union Medical College, Beijing, China
| | - Z Li
- Department of Gynecology and Obstetrics, Children's Hospital of Shanxi Province, Shanxi, China
| | - J Gong
- Department of Gynecology and Obstetrics, Maternal and Child Health Hospital of Wuxi, Jiangsu, China
| | - Q Liu
- Department of Gynecology and Obstetrics, Maternal and Child Health Hospital of Gansu Province, Lanzhou, China
| | - X Liu
- Department of Gynecology and Obstetrics, Maternal and Child Health Hospital of Foshan, Guangdong, China
| | - J Wang
- Department of Gynecology and Obstetrics, Maternal and Child Health Hospital of Guiyang, Guizhou, China
| | - Z Xia
- Department of Gynecology and Obstetrics, ShengJing Hospital of China Medical University, Shenyang, China
| | - J Lang
- Department of Gynecology and Obstetrics, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - T Xu
- Department of Epidemiology and Statistics, Institute of Basic Medical Sciences, Chinese Academy of Medical Sciences and School of Basic Medicine, Peking Union Medical College, Beijing, China
| | - L Zhu
- Department of Gynecology and Obstetrics, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
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Stickel S, Eickhoff SB, Habel U, Stickeler E, Goecke TW, Lang J, Chechko N. Endocrine stress response in pregnancy and 12 weeks postpartum - Exploring risk factors for postpartum depression. Psychoneuroendocrinology 2021; 125:105122. [PMID: 33421704 DOI: 10.1016/j.psyneuen.2020.105122] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 11/13/2020] [Accepted: 12/21/2020] [Indexed: 01/21/2023]
Abstract
Pregnancy and the postpartum period are characterized by physiological alterations in cortisol and cortisone levels. In the present study, we sought to explore the risk factors for postpartum depression (PPD) and self-remitting postpartum adjustment disorder (AD) and whether cortisol/cortisone metabolism might have any bearing on them. Hair samples from 196 participants (mean age = 31.44, SD = 4.71) were collected at two time points (1-6 days after childbirth and 12 weeks postpartum) to determine the cumulative hair cortisol (HCC) and hair cortisone (HCNC) exposure in the third trimester and during the 12 weeks postpartum. Compared to the non-depressed group (ND, n = 141), more women in the AD (n = 28) and PPD (n = 27) groups had a personal or family history of depression and more stressful life events. Compared to ND and PPD, more women in the AD group had birth-related complications with their children being more often transferred to a pediatric ward. The factors associated with PPD were found to include being unmarried and having a lower household income, less support at home, more subjectively perceived stress after childbirth and lower maternal sensitivity. The natural decrease in HCC concentration from the third trimester to 12 weeks postpartum was significant only in the ND and AD groups, but not in PPD. In summary, prolonged subjectively perceived postpartum stress associated with living situations may contribute to the development of PPD while birth- and child-related complications are likely to trigger brief episodes of AD. Only in ND and AD, the pregnancy-related physiological changes in glucocorticoid levels return to the pre-pregnancy baseline after 12 weeks. Our observations point to the difference between the ND and PPD groups in glucocorticoid metabolism-related postpartum adjustment, which may be a factor in the development of PPD.
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Affiliation(s)
- S Stickel
- Department of Psychiatry, Psychotherapy and Psychosomatics, Medical Faculty, Uniklinik RWTH Aachen, Pauwelsstraße 30, 52074 Aachen, Germany; Institute of Neuroscience and Medicine, JARA-Institute Brain Structure Function Relationship (INM 10), Research Center Jülich, Wilhelm-Johnen-Strasse, 52428 Jülich, Germany.
| | - S B Eickhoff
- Institute of Systems Neuroscience, Medical Faculty, Heinrich Heine University Düsseldorf, Universitätsstraße 1, 40225 Düsseldorf, Germany; Institute of Neuroscience and Medicine, Brain & Behaviour (INM-7), Research Centre Jülich, Wilhelm-Johnen-Strasse, 52428 Jülich, Germany
| | - U Habel
- Department of Psychiatry, Psychotherapy and Psychosomatics, Medical Faculty, Uniklinik RWTH Aachen, Pauwelsstraße 30, 52074 Aachen, Germany; Institute of Neuroscience and Medicine, JARA-Institute Brain Structure Function Relationship (INM 10), Research Center Jülich, Wilhelm-Johnen-Strasse, 52428 Jülich, Germany
| | - E Stickeler
- Department of Gynecology and Obstetrics, Medical Faculty, Uniklinik RWTH Aachen, Pauwelsstraße 30, 52074 Aachen, Germany
| | - T W Goecke
- Department of Gynecology and Obstetrics, Medical Faculty, Uniklinik RWTH Aachen, Pauwelsstraße 30, 52074 Aachen, Germany; RoMed Hospital Rosenheim, Department of Obstetrics, Pettenkoferstraße 10, 83022 Rosenheim, Germany
| | - J Lang
- Institute for Occupational, Social and Environmental Medicine, Medical Faculty, Uniklinik RWTH Aachen University, Pauwelsstraße 30, 52074 Aachen, Germany
| | - N Chechko
- Department of Psychiatry, Psychotherapy and Psychosomatics, Medical Faculty, Uniklinik RWTH Aachen, Pauwelsstraße 30, 52074 Aachen, Germany; Institute of Neuroscience and Medicine, JARA-Institute Brain Structure Function Relationship (INM 10), Research Center Jülich, Wilhelm-Johnen-Strasse, 52428 Jülich, Germany; Institute of Neuroscience and Medicine, Brain & Behaviour (INM-7), Research Centre Jülich, Wilhelm-Johnen-Strasse, 52428 Jülich, Germany.
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Gao Y, Tang R, Li J, Li HJ, Lang J, Liu G, Lin S, Chen R. Generalized headache among Chinese climacteric women: findings from a prospective cohort. Climacteric 2021; 24:289-296. [PMID: 33594921 DOI: 10.1080/13697137.2021.1881058] [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] [Indexed: 10/22/2022]
Abstract
OBJECTIVE This study aimed to prospectively identify the prevalence of generalized headache and associated risk factors in Chinese midlife women. METHODS We identified 411 qualified women from a Chinese urban community, contributing a total of 2544 surveys. The presence of generalized headache was measured. Climacteric symptoms and other risk factors were evaluated by generalized estimating equations. RESULTS The prevalence of headache complaints is associated with menopausal stages. Perimenopausal women have relatively high prevalence of headache symptoms, especially stage +1a women (59.0%) compared to late postmenopausal women (37.8%), although menopause stages were not statistically significant in the multivariate analysis. Women who had headache at baseline and depression were much more likely to have headache during menopause. According to the univariate and multivariate analyses in women without headache at baseline, starting menopausal status, insomnia, sweats, and depression were independently associated with newly developed headache. CONCLUSIONS Symptoms of generalized headache were less prevalent in late postmenopausal women. Our findings highlight the association between headache and climacteric changes.
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Affiliation(s)
- Y Gao
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital (PUMCH), Beijing, China
| | - R Tang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital (PUMCH), Beijing, China
| | - J Li
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital (PUMCH), Beijing, China
| | - H J Li
- Reproductive Sciences, Yale School of Medicine, New Haven, CT, USA
| | - J Lang
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital (PUMCH), Beijing, China
| | - G Liu
- Department of Neurology, Beijing Tiantan Hospital, Beijing, China
| | - S Lin
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital (PUMCH), Beijing, China
| | - R Chen
- Department of Obstetrics and Gynecology, Peking Union Medical College Hospital (PUMCH), Beijing, China
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Zhang N, Xu FJ, Lang J, Wang LB, Wang JM, Sun YH, Liu BY, Xie N, Fang XZ, Yang XL, Kang XN, Wang XQ, Qin ZX, Ge WK, Shen B. Improved light extraction efficiency of AlGaN deep-ultraviolet light emitting diodes combining Ag-nanodots/Al reflective electrode with highly transparent p-type layer. Opt Express 2021; 29:2394-2401. [PMID: 33726435 DOI: 10.1364/oe.416826] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 01/04/2021] [Indexed: 06/12/2023]
Abstract
Enhancement of light extraction efficiency (LEE) of AlGaN-based deep-ultraviolet (DUV) light emitting diodes (LEDs) has been attempted by adopting Ag-nanodots/Al reflective electrodes on a highly transparent complex p-type layer. By thinning the p-GaN to several nm, highly DUV transparent p-type layer is achieved, making it meaningful for the application of reflective electrodes composed of Ag-nanodots and Al film to allow most light emitted upward to be reflected back to the sapphire side. By this approach, the maximum light output power and external quantum efficiency of the DUV-LEDs with optimized Ag nanodots/Al electrodes are severally increased by 52% and 58%, respectively, compared to those with traditional Ni/Au electrodes when the current is below 200 mA.
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Su C, Liu Y, Wu P, Yuan J, Lang J, Wu C, Zhang Y, Chen L, Chen L. Ipsilateral femoral neck and intertrochanteric fractures with posterior dislocation of the hip: A report of two cases. J Orthop Surg (Hong Kong) 2020; 28:2309499019900449. [PMID: 32336196 DOI: 10.1177/2309499019900449] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Traumatic hip dislocation usually occurs in young patients, with the increasing number of high-energy injuries, and 62-93% of reported adult traumatic hip dislocations were caused by high-speed motor vehicle crashes. However, ipsilateral femoral neck fractures and intertrochanteric fractures with posterior dislocation of the hip are extremely rare, and this injury poses a challenge to orthopaedic surgeons. Here, we report two cases of simultaneous ipsilateral femoral neck fracture, intertrochanteric fracture and posterior dislocation of the hip joint in young patients who were treated with proximal femoral locking compression plate (PFLCP). The long-term follow-up (one patient was followed up for 3 years and the other for 7 years) showed that these patients had excellent functional outcomes with near-normal ranges of hip movement. The authors believe that using smaller plates with the lateral PFLCP is an acceptable method to treat this injury in young patients.
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Affiliation(s)
- Chenxian Su
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yangbo Liu
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Peng Wu
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Jiandong Yuan
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Junzhe Lang
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Congcong Wu
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yiou Zhang
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Li Chen
- The University of Melbourne, Melbourne Medical School, Austin Hospital, Heidelberg, Victoria, Australia
| | - Lei Chen
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
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Boldrini L, Lenkowicz J, Orlandini L, Dinapoli N, Yin G, Cusumano D, Casà C, Peng Q, Chiloiro G, Gambacorta M, Lang J, Valentini V. PH-0716: Radiomics pCR predictive model in rectal cancer: an intercontinental validation on real world data. Radiother Oncol 2020. [DOI: 10.1016/s0167-8140(21)00738-6] [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: 10/22/2022]
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30
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Fan Y, Guan W, Huang X, Zhang P, Lang J. Extranodal Expansion Of The Lymph Nodes Is An Effective Predictor Of Distant Metastasis Of Nasopharyngeal Carcinoma After Radical Radiotherapy And Chemotherapy. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.325] [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: 11/15/2022]
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Huang Y, Feng M, Zhou J, Yang X, Xu G, Lang J. DW-MRI Guided Dose Escalation Improve Local Control of Locally Advanced Nasopharyngeal Carcinoma treated with Chemoradiotherapy. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.407] [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: 10/23/2022]
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Liu S, Liao X, Li J, Orlandini L, Lang J. PO-1592: Effect of respiratory motion on lung target volume during 4D-CT and 4D-CBCT imaging. Radiother Oncol 2020. [DOI: 10.1016/s0167-8140(21)01610-8] [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: 10/22/2022]
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Chen M, Lang J. Synergistic Effect Of Stereotactic Ablative Radiotherapy And Immunotherapy With A Xenogeneic Fibroblast Activation Protein-Based Whole Cell Tumor Vaccine. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1657] [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: 10/23/2022]
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Wang Q, Li J, Yao W, Wu L, Li T, Lang J. Radiation to primary lesions in Patients with non-Oligometastatic Non-Small Cell Lung Cancer (NSCLC) with EGFR Mutation who do not Progress after TKI, Results of a Phase II Study. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1336] [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: 10/23/2022]
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Wang Q, Han Y, Peng L, He W, Li T, Lang J. The Effects of Neoadjuvant Chemoradiation in Locally Advanced Esophageal Squamous Cell Carcinoma—The Impact in Intratumoral Genetic Heterogeneity. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2020.07.1945] [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: 10/23/2022]
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Sahm J, Baier G, Lang J, Gretser S, Bauer T. [Erratum to: Panton-valentine leukocidin (PVL)-positive Staphylococcus aureus causing necrotizing pneumonia after infection with parainfluenza virus type 2]. Med Klin Intensivmed Notfmed 2020; 116:266. [PMID: 32356042 DOI: 10.1007/s00063-020-00695-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- J Sahm
- Medizinische Klinik 1, Klinik für Kardiologie, Internistische Intensivmedizin und Allgemeine Innere Medizin, Sana Klinikum Offenbach, Starkenburgring 66, 63069, Offenbach am Main, Deutschland.
| | - G Baier
- Medizinische Klinik 1, Klinik für Kardiologie, Internistische Intensivmedizin und Allgemeine Innere Medizin, Sana Klinikum Offenbach, Starkenburgring 66, 63069, Offenbach am Main, Deutschland
| | - J Lang
- Zentralinstitut für Diagnostische und Interventionelle Radiologie und Nuklearmedizin, Sana Klinikum Offenbach, Offenbach am Main, Deutschland
| | - S Gretser
- Dr. Senckenbergisches Institut für Pathologie, Universitätsklinikum Frankfurt am Main, Frankfurt am Main, Deutschland
| | - T Bauer
- Medizinische Klinik 1, Klinik für Kardiologie, Internistische Intensivmedizin und Allgemeine Innere Medizin, Sana Klinikum Offenbach, Starkenburgring 66, 63069, Offenbach am Main, Deutschland
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Sahm J, Baier G, Lang J, Gretser S, Bauer T. [Panton-valentine leukocidin (PVL)-positive Staphylococcus aureus causing necrotizing pneumonia after infection with parainfluenza virus type 2]. Med Klin Intensivmed Notfmed 2020; 116:262-265. [PMID: 32291504 PMCID: PMC7154571 DOI: 10.1007/s00063-020-00679-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2020] [Revised: 02/21/2020] [Accepted: 03/13/2020] [Indexed: 12/03/2022]
Affiliation(s)
- J Sahm
- Medizinische Klinik 1, Klinik für Kardiologie, Internistische Intensivmedizin und Allgemeine Innere Medizin, Sana Klinikum Offenbach, Starkenburgring 66, 63069, Offenbach am Main, Deutschland.
| | - G Baier
- Medizinische Klinik 1, Klinik für Kardiologie, Internistische Intensivmedizin und Allgemeine Innere Medizin, Sana Klinikum Offenbach, Starkenburgring 66, 63069, Offenbach am Main, Deutschland
| | - J Lang
- Zentralinstitut für Diagnostische und Interventionelle Radiologie und Nuklearmedizin, Sana Klinikum Offenbach, Offenbach am Main, Deutschland
| | - S Gretser
- Dr. Senckenbergisches Institut für Pathologie, Universitätsklinikum Frankfurt am Main, Frankfurt am Main, Deutschland
| | - T Bauer
- Medizinische Klinik 1, Klinik für Kardiologie, Internistische Intensivmedizin und Allgemeine Innere Medizin, Sana Klinikum Offenbach, Starkenburgring 66, 63069, Offenbach am Main, Deutschland
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Pfaller MR, Cruz Varona M, Lang J, Bertoglio C, Wall WA. Using parametric model order reduction for inverse analysis of large nonlinear cardiac simulations. Int J Numer Method Biomed Eng 2020; 36:e3320. [PMID: 32022424 DOI: 10.1002/cnm.3320] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 10/29/2019] [Accepted: 01/25/2020] [Indexed: 06/10/2023]
Abstract
Predictive high-fidelity finite element simulations of human cardiac mechanics commonly require a large number of structural degrees of freedom. Additionally, these models are often coupled with lumped-parameter models of hemodynamics. High computational demands, however, slow down model calibration and therefore limit the use of cardiac simulations in clinical practice. As cardiac models rely on several patient-specific parameters, just one solution corresponding to one specific parameter set does not at all meet clinical demands. Moreover, while solving the nonlinear problem, 90% of the computation time is spent solving linear systems of equations. We propose to reduce the structural dimension of a monolithically coupled structure-Windkessel system by projection onto a lower-dimensional subspace. We obtain a good approximation of the displacement field as well as of key scalar cardiac outputs even with very few reduced degrees of freedom, while achieving considerable speedups. For subspace generation, we use proper orthogonal decomposition of displacement snapshots. Following a brief comparison of subspace interpolation methods, we demonstrate how projection-based model order reduction can be easily integrated into a gradient-based optimization. We demonstrate the performance of our method in a real-world multivariate inverse analysis scenario. Using the presented projection-based model order reduction approach can significantly speed up model personalization and could be used for many-query tasks in a clinical setting.
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Affiliation(s)
- M R Pfaller
- Institute for Computational Mechanics, Technical University of Munich, Garching b. München, Germany
| | - M Cruz Varona
- Chair of Automatic Control, Technical University of Munich, Garching b. München, Germany
| | - J Lang
- Institute for Computational Mechanics, Technical University of Munich, Garching b. München, Germany
| | - C Bertoglio
- Bernoulli Institute, University of Groningen, AG Groningen, The Netherlands
| | - W A Wall
- Institute for Computational Mechanics, Technical University of Munich, Garching b. München, Germany
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Zhang Y, Chen L, Wu P, Lang J, Chen L. Intervention with erythropoietin in sarcopenic patients with femoral intertrochanteric fracture and its potential effects on postoperative rehabilitation. Geriatr Gerontol Int 2019; 20:150-155. [PMID: 31837195 DOI: 10.1111/ggi.13845] [Citation(s) in RCA: 4] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 10/04/2019] [Accepted: 11/22/2019] [Indexed: 01/08/2023]
Abstract
AIM To explore the intervention with erythropoietin (EPO) in sarcopenic patients with femoral intertrochanteric fractures, and its potential effects on postoperative rehabilitation. METHODS A total of 141 patients with femoral intertrochanteric fracture were selected from January 2018 to January 2019. Patients (aged ≥60 years) with indications for EPO use, but without significant medical history, were selected in the present study. All patients were screened for sarcopenia, and divided into the intervention group and control group according to whether they took EPO. The intervention groups received EPO postoperatively every day for 10 days, whereas the control groups received an equal dose of normal saline. Patients' handgrip strength, appendicular skeletal muscle, duration of hospitalization and postoperative infection rate were assessed by analysis. RESULTS Among sarcopenic women, the handgrip strength was higher in the intervention group than in the control group after a week (P < 0.05). However, no significant effect was found in men (P > 0.05). The appendicular skeletal muscle increment of the intervention group with sarcopenia was markedly increased regardless of sex (P < 0.001). In addition, the postoperative infection rate was lower in the intervention group than the control group (P < 0.05), accompanied by a shorter hospital stay due to EPO administration (P < 0.05). CONCLUSIONS EPO can improve the muscle strength of female patients with sarcopenia during the perioperative period, and increase muscle mass both of women and men. It can improve the symptoms of sarcopenia, but cannot reverse sarcopenia. Additionally, it can reduce the postoperative complications of patients with hip fracture and shorten the length of hospital stay. Therefore, postoperative administration of EPO might potentially promote rapid postoperative rehabilitation. Geriatr Gerontol Int 2020; 20: 150-155.
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Affiliation(s)
- Yiou Zhang
- Wenzhou Medical University Affiliated Cixi Hospital, Ningbo, China
| | - Li Chen
- University of Melbourne Medical School, Melbourne, Victoria, Australia
| | - Peng Wu
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Junzhe Lang
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Lei Chen
- Department of Orthopedics, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
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Lin H, Ran W, Chen X, Wang B, Yang P, Li Y, Xiao Y, Wang X, Li G, Wang L, Han Y, Peng Y, Lang J, Liang Y, Tian G, Yuan D, Yang J, Deng C, Xing X. Whole-exome sequencing of tumour-only samples reveals the association between somatic alterations and clinical features in pancreatic cancer. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz431.012] [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: 11/13/2022] Open
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Marín Jiménez J, Capasso A, Bagby S, Hartman S, Shulman J, Barkow J, Yacob B, Blatchford P, Pitts T, Lang J. Evaluation of immune responses among responders (R) and non-responders (non-R) in a humanized mouse model with colorectal cancer (CRC) xenografts treated with combination immunotherapy. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz268.031] [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: 11/12/2022] Open
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Yu H, Lang J, Kern J, Pickard SL, Rudin C, Rivard C, Hirsch F. P1.12-05 Microenvironment Characterization of Small Cell Lung Cancer Xenografts Implanted in Hematopoietic Humanized Mice. J Thorac Oncol 2019. [DOI: 10.1016/j.jtho.2019.08.1118] [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: 11/28/2022]
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43
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Lang J, Xu FJ, Ge WK, Liu BY, Zhang N, Sun YH, Wang JM, Wang MX, Xie N, Fang XZ, Kang XN, Qin ZX, Yang XL, Wang XQ, Shen B. Greatly enhanced performance of AlGaN-based deep ultraviolet light emitting diodes by introducing a polarization modulated electron blocking layer. Opt Express 2019; 27:A1458-A1466. [PMID: 31684498 DOI: 10.1364/oe.27.0a1458] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 08/03/2019] [Indexed: 06/10/2023]
Abstract
Carrier transport in AlGaN-based deep ultraviolet (DUV) light emitting diodes (LEDs) with the wavelength of 273 nm has been investigated by introducing polarization modulated electron blocking layer (EBL) that adopts an Al composition and thickness graded multiple quantum barriers (MQB) structure. The experimental result shows that the maximum light output power and external quantum efficiency for the proposed structure at the current of 250 mA are 9.6 mW and 1.03% respectively, severally increasing by 405% and 249% compared to traditional one, meanwhile, the efficiency droop at 250 mA is also dramatically reduced from 42.2% to 16.6%. Further simulation analysis indicates that this graded MQB-EBL enhances the potential barrier height for electrons and meanwhile reduces that for holes, hence effectively suppresses the electron leakage, and at the same time significantly improves the hole injection efficiency. As a result, the whole performance of the LED with the proposed MQB-EBL is dramatically improved.
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Lu S, Deng S, Zhang H, Lang J. Salicylic Acid Increase the Radiosensitivity of CaSki Cells by Regulating AMPK/TSC2/mTOR Pathway. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1100] [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]
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Zhang H, Lu S, Lang J. Analysis of Local Control Rate and Toxicity of Radiotherapy Dose of Cervical Cancer. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1756] [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]
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Zhang P, Li Z, Yang F, Lang J, Huang X, Kang L, Xie K, Guan W. A Phase II Prospective, Single Arm, Multicenter Clinic Study of Pulsed Low-Dose-Rate IMRT for Local Recurrence Head and Neck Cancer after Radical Radiotherapy and Chemotherapy: Preliminary Reports. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1171] [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]
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Chen Y, Chen X, Hall W, Prior P, Zhang Y, Paulson E, Lang J, Erickson B, Li A. A Preferred Patient Decubitus Positioning for MRI-guided Online Adaptive Radiation Therapy of Pancreatic Cancer. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.350] [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]
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Li Y, Lan M, Peng X, Zhang Z, Lang J. Weighted Gene Co-Expression Network Analysis Combined with Machine Learning to Identify Prognostic Biomarkers for Cervical Squamous Cell Carcinoma. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.080] [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]
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49
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Sun C, Lu S, Lang J. Prognostic Value of Tumor Parameters Measured By MRI in Cervical Cancer Patients Receiving CCRT. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1740] [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]
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Chen M, Lang J, Li T. A Whole Cell Tumor Vaccine Expressing Human Fibroblast Activation Protein α Targets Cancer Cells and Cancer-Associated Fibroblasts. Int J Radiat Oncol Biol Phys 2019. [DOI: 10.1016/j.ijrobp.2019.06.1022] [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]
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