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  1. Article ; Online: Clinical significance of heart rate variability for the monitoring of cardiac autonomic neuropathy in end-stage renal disease patients.

    Min, Ji Won / Chang, Ji-Yeun / Lee, Hanbi / Park, Yohan / Ko, Eun Jeong / Cho, Jae Hyoung / Yang, Chul Woo / Chung, Byung Ha

    Nutrition, metabolism, and cardiovascular diseases : NMCD

    2021  Volume 31, Issue 7, Page(s) 2089–2098

    Abstract: Background and aims: The aim of this study is to determine whether the measurement of continuous heart rate variability (HRV) is useful in the evaluation of cardiac autonomic neuropathy (CAN) in end-stage renal disease (ESRD) patients.: Methods and ... ...

    Abstract Background and aims: The aim of this study is to determine whether the measurement of continuous heart rate variability (HRV) is useful in the evaluation of cardiac autonomic neuropathy (CAN) in end-stage renal disease (ESRD) patients.
    Methods and results: This cross-sectional study was performed at Seoul St. Mary's hospital between June 2017 and February 2018. Seventy-seven ESRD patients, and 29 healthy controls (HCs) were asked to wear a continuous ambulatory HRV monitor for 24 h. General cardiac function was evaluated using transthoracic echocardiogram (TTE), pulse wave velocity (PWV), coronary calcium scoring (CCS), and 24-h ambulatory blood pressure monitoring (ABPM). HRV parameters of ESRD patients and HCs, and the correlation of HRV parameters with cardiovascular screening methods were observed. All HRV parameters were significantly decreased in ESRD patients compared to HCs (P < 0.001). In the correlation analysis between TTE results and HRV parameters, 24-h standard deviation of all N-N intervals (24SDNN), 24-h standard deviation of sequential 5-min N-N interval means (24DANN) and Low Frequency Power/High Frequency Power (LF/HF) ratio showed negative correlations with E/e', LAVI and TR velocity which are representative indices for the diastolic function of the heart (P < 0.05). HRV parameters showed negative correlations with baPWV, CCS, and 24-h ABPM results as well (P < 0.05). Hemoglobin and serum albumin showed positive correlations with HRV parameters, and glucose, BUN, creatinine, and iPTH levels showed negative correlations (P < 0.05).
    Conclusion: Continuous HRV monitoring may be a useful tool for the evaluation of CAN in ESRD.
    MeSH term(s) Adult ; Autonomic Nervous System/physiopathology ; Blood Pressure ; Blood Pressure Monitoring, Ambulatory ; Case-Control Studies ; Cross-Sectional Studies ; Diastole ; Echocardiography ; Electrocardiography, Ambulatory ; Female ; Heart/innervation ; Heart Rate ; Humans ; Kidney Failure, Chronic/diagnosis ; Kidney Failure, Chronic/physiopathology ; Male ; Middle Aged ; Pulse Wave Analysis ; Time Factors ; Ventricular Function, Left
    Language English
    Publishing date 2021-03-26
    Publishing country Netherlands
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1067704-5
    ISSN 1590-3729 ; 0939-4753
    ISSN (online) 1590-3729
    ISSN 0939-4753
    DOI 10.1016/j.numecd.2021.03.016
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Improvement Effects of Myelophil on Symptoms of Chronic Fatigue Syndrome in a Reserpine-Induced Mouse Model.

    Song, Ji-Hye / Won, Seul-Ki / Eom, Geun-Hyang / Lee, Da-Som / Park, Byung-Jin / Lee, Jin-Seok / Son, Chang-Gue / Park, Ji-Yeun

    International journal of molecular sciences

    2021  Volume 22, Issue 19

    Abstract: Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is associated with various symptoms, such as depression, pain, and fatigue. To date, the pathological mechanisms and therapeutics remain uncertain. The purpose of this study was to investigate ... ...

    Abstract Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is associated with various symptoms, such as depression, pain, and fatigue. To date, the pathological mechanisms and therapeutics remain uncertain. The purpose of this study was to investigate the effect of myelophil (MYP), composed of
    MeSH term(s) Animals ; Anti-Inflammatory Agents/pharmacology ; Antioxidants/pharmacology ; Behavior, Animal/drug effects ; Calcium-Binding Proteins/biosynthesis ; Corpus Striatum/metabolism ; Disease Models, Animal ; Dopamine/analysis ; Drugs, Chinese Herbal/pharmacology ; Fatigue Syndrome, Chronic/drug therapy ; Hippocampus/metabolism ; Inflammation/drug therapy ; Male ; Mice ; Mice, Inbred C57BL ; Microfilament Proteins/biosynthesis ; Proto-Oncogene Proteins c-fos/metabolism ; Reactive Oxygen Species/metabolism ; Receptor, Serotonin, 5-HT1A/metabolism ; Receptor, Serotonin, 5-HT1B/metabolism ; Reserpine/adverse effects ; Serotonin/analysis ; Transforming Growth Factor beta1/metabolism ; Tyrosine 3-Monooxygenase/biosynthesis
    Chemical Substances Aif1 protein, mouse ; Anti-Inflammatory Agents ; Antioxidants ; Calcium-Binding Proteins ; Drugs, Chinese Herbal ; Microfilament Proteins ; Myelophil ; Proto-Oncogene Proteins c-fos ; Reactive Oxygen Species ; Receptor, Serotonin, 5-HT1B ; Tgfb1 protein, mouse ; Transforming Growth Factor beta1 ; Receptor, Serotonin, 5-HT1A (112692-38-3) ; Serotonin (333DO1RDJY) ; Reserpine (8B1QWR724A) ; Tyrosine 3-Monooxygenase (EC 1.14.16.2) ; Dopamine (VTD58H1Z2X)
    Language English
    Publishing date 2021-09-22
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2019364-6
    ISSN 1422-0067 ; 1422-0067 ; 1661-6596
    ISSN (online) 1422-0067
    ISSN 1422-0067 ; 1661-6596
    DOI 10.3390/ijms221910199
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Effect of Everolimus with Low-Dose Tacrolimus on Development of New-Onset Diabetes After Transplantation and Allograft Function in Kidney Transplantation: A Multicenter, Open-Label, Randomized Trial.

    Kim, Hyung Duk / Chang, Ji-Yeun / Chung, Byung Ha / Kim, Chan-Duck / Lee, Sang-Ho / Kim, Yeong Hoon / Yang, Chul Woo

    Annals of transplantation

    2021  Volume 26, Page(s) e927984

    Abstract: BACKGROUND This randomized controlled trial aimed to investigate the effect of everolimus (EVL) with low-dose tacrolimus (Tac) on the development of post-transplantation diabetes mellitus (PTDM) in kidney transplantation (KT). MATERIAL AND METHODS ... ...

    Abstract BACKGROUND This randomized controlled trial aimed to investigate the effect of everolimus (EVL) with low-dose tacrolimus (Tac) on the development of post-transplantation diabetes mellitus (PTDM) in kidney transplantation (KT). MATERIAL AND METHODS Seventy-seven kidney transplant patients from 4 transplant centers were included. Patients were randomized to the "EVL group" (n=38) and the "TAC group" (n=39). The target Tac trough level was 2 to 5 ng/mL in the EVL group and 5 to 10 ng/mL in the TAC group. RESULTS The 1-year cumulative incidence of PTDM in all patients was 7.8%, and no difference was found between the 2 groups (P=0.0819). Insulin resistance measured with the homeostatic model assessment for insulin resistance showed a significant increase only in the TAC group (1.11 to 1.30, P=0.0492). Allograft rejection rate and estimated glomerular filtration rate (eGFR) follow-ups every 3 months were not significantly different between the 2 groups. However, the EVL group showed a significant increase in the mean eGFR at 9 months and 12 months after KT compared to the baseline value (P=0.0242 and 0.0491, respectively). The EVL group showed lower insulin resistance and higher allograft function in comparison to the TAC group. CONCLUSIONS EVL-based immunosuppressive therapy with lower Tac exposure could be a safer alternative for maintenance treatment.
    MeSH term(s) Adult ; Allografts ; Diabetes Mellitus/etiology ; Everolimus/adverse effects ; Everolimus/therapeutic use ; Female ; Glomerular Filtration Rate ; Humans ; Immunosuppressive Agents/adverse effects ; Immunosuppressive Agents/therapeutic use ; Kidney Transplantation/adverse effects ; Male ; Middle Aged ; Tacrolimus/adverse effects ; Tacrolimus/therapeutic use
    Chemical Substances Immunosuppressive Agents ; Everolimus (9HW64Q8G6G) ; Tacrolimus (WM0HAQ4WNM)
    Language English
    Publishing date 2021-01-22
    Publishing country United States
    Document type Journal Article ; Multicenter Study ; Randomized Controlled Trial
    ZDB-ID 1484710-3
    ISSN 2329-0358 ; 1425-9524
    ISSN (online) 2329-0358
    ISSN 1425-9524
    DOI 10.12659/AOT.927984
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: E-Cigarette Use and Intention to Initiate or Quit Smoking Among US Youths.

    Park, Ji-Yeun / Seo, Dong-Chul / Lin, Hsien-Chang

    American journal of public health

    2016  Volume 106, Issue 4, Page(s) 672–678

    Abstract: Objectives: We assessed whether e-cigarette use is associated with (1) intention to smoke cigarettes among never-smoking youths and youth experimenters, and (2) intention to quit smoking among current youth smokers.: Methods: We categorized ... ...

    Abstract Objectives: We assessed whether e-cigarette use is associated with (1) intention to smoke cigarettes among never-smoking youths and youth experimenters, and (2) intention to quit smoking among current youth smokers.
    Methods: We categorized participants from the 2012 National Youth Tobacco Survey data (n = 20 193) as never-smoking youth (n = 16 238), youth experimenters (n = 3248), and current youth smokers (n = 707). We matched groups on the basis of a propensity score comprising covariates predicting e-cigarette use.
    Results: E-cigarette users who had never smoked cigarettes (adjusted odds ratio [AOR] = 3.62; 95% confidence interval [CI] = 2.04, 6.45) and who had experimented with smoking (AOR = 1.99; 95% CI = 1.50, 2.64) had elevated intention to smoke cigarettes compared with their counterparts who had never used e-cigarettes. We did not find any significant association between e-cigarette use and intention to quit smoking among current youth smokers (P = .33).
    Conclusions: E-cigarette use among US youths is associated with intention to smoke but not with intention to quit smoking.
    MeSH term(s) Adolescent ; Adolescent Behavior ; Electronic Nicotine Delivery Systems/statistics & numerical data ; Female ; Humans ; Intention ; Male ; Propensity Score ; Smoking ; Smoking Cessation/methods ; Smoking Cessation/psychology ; Surveys and Questionnaires ; United States
    Language English
    Publishing date 2016-01-21
    Publishing country United States
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 121100-6
    ISSN 1541-0048 ; 0090-0036 ; 0002-9572
    ISSN (online) 1541-0048
    ISSN 0090-0036 ; 0002-9572
    DOI 10.2105/AJPH.2015.302994
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Improvement Effects of Myelophil on Symptoms of Chronic Fatigue Syndrome in a Reserpine-Induced Mouse Model

    Ji-Hye Song / Seul-Ki Won / Geun-Hyang Eom / Da-Som Lee / Byung-Jin Park / Jin-Seok Lee / Chang-Gue Son / Ji-Yeun Park

    International Journal of Molecular Sciences, Vol 22, Iss 10199, p

    2021  Volume 10199

    Abstract: Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is associated with various symptoms, such as depression, pain, and fatigue. To date, the pathological mechanisms and therapeutics remain uncertain. The purpose of this study was to investigate ... ...

    Abstract Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is associated with various symptoms, such as depression, pain, and fatigue. To date, the pathological mechanisms and therapeutics remain uncertain. The purpose of this study was to investigate the effect of myelophil (MYP), composed of Astragali Radix and Salviae miltiorrhizae Radix , on depression, pain, and fatigue behaviors and its underlying mechanisms. Reserpine (2 mg/kg for 10 days, intraperitoneally) induced depression, pain, and fatigue behaviors in mice. MYP treatment (100 mg/kg for 10 days, intragastrically) significantly improved depression behaviors, mechanical and thermal hypersensitivity, and fatigue behavior. MYP treatment regulated the expression of c-Fos, 5-HT1A/B receptors, and transforming growth factor β (TGF-β) in the brain, especially in the motor cortex, hippocampus, and nucleus of the solitary tract. MYP treatment decreased ionized calcium binding adapter molecule 1 (Iba1) expression in the hippocampus and increased tyrosine hydroxylase (TH) expression and the levels of dopamine and serotonin in the striatum. MYP treatment altered inflammatory and anti-oxidative-related mRNA expression in the spleen and liver. In conclusion, MYP was effective in recovering major symptoms of ME/CFS and was associated with the regulation of dopaminergic and serotonergic pathways and TGF-β expression in the brain, as well as anti-inflammatory and anti-oxidant mechanisms in internal organs.
    Keywords chronic fatigue syndrome ; myalgic encephalomyelitis ; myelophil ; herbal medicine ; depression ; pain ; Biology (General) ; QH301-705.5 ; Chemistry ; QD1-999
    Subject code 616
    Language English
    Publishing date 2021-09-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article ; Online: Usefulness of BK virus-specific interferon-γ enzyme-linked immunospot assay for predicting the outcome of BK virus infection in kidney transplant recipients

    Hyunjoo Bae / Do Hyun Na / Ji-Yeun Chang / Ki Hyun Park / Ji Won Min / Eun Jeong Ko / Hyeyoung Lee / Chul Woo Yang / Byung Ha Chung / Eun-Jee Oh

    The Korean Journal of Internal Medicine, Vol 36, Iss 1, Pp 164-

    2021  Volume 174

    Abstract: Background/Aims To investigate if BK virus (BKV)-specific T cell immunity measured by an interferon-γ enzyme-linked immunospot (ELISPOT) assay can predict the outcome of BK virus infection in kidney transplant recipients (KTRs). Methods We included 68 ... ...

    Abstract Background/Aims To investigate if BK virus (BKV)-specific T cell immunity measured by an interferon-γ enzyme-linked immunospot (ELISPOT) assay can predict the outcome of BK virus infection in kidney transplant recipients (KTRs). Methods We included 68 KTRs with different viremia status (no viremia [n = 17], BK viremia [n = 27], and cleared viremia [n = 24]) and 44 healthy controls (HCs). The BK viremia group was divided into controller (< 3 months) and noncontroller (> 3 months) according to sustained duration of BKV infection. We compared BKV-ELISPOT results against five BKV peptides (large tumor antigen [LT], St, VP1-3). Results BKV-ELISPOT results were higher in three KTRs groups with different BKV infection status than the HCs group (p < 0.05). In KTR groups, they were higher in cleared viremia group than no viremia or BK viremia group. Within the BK viremia group, controller group had higher LT-ELISPOT results compared to noncontroller group (p = 0.032). Also, KTRs without BK virus-associated nephropathy (BKVN) had higher LT, St, VP1, and VP2-ELISPOT results than those with BKVN (p < 0.05). Conclusions BKV-ELISPOT assay may be effective in predicting clinical outcomes of BKV infection in terms of clearance of BK virus and development of BKVN.
    Keywords bk virus ; kidney transplantation ; viremia ; bk polyomavirus-associated nephropathy ; enzyme-linked immunospot assay ; Medicine ; R
    Language English
    Publishing date 2021-01-01T00:00:00Z
    Publisher The Korean Association of Internal Medicine
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  7. Article ; Online: Development of Kaposi sarcoma and hemophagocytic lymphohistiocytosis associated with human herpesvirus 8 in a renal transplant recipient.

    Park, Young Jae / Bae, Hyun Jin / Chang, Ji-Yeun / Yang, Chul Woo / Chung, Byung Ha

    The Korean journal of internal medicine

    2017  Volume 32, Issue 4, Page(s) 750–752

    Language English
    Publishing date 2017
    Publishing country Korea (South)
    Document type Letter
    ZDB-ID 639023-7
    ISSN 2005-6648 ; 1226-3303
    ISSN (online) 2005-6648
    ISSN 1226-3303
    DOI 10.3904/kjim.2015.124
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Comprehensive US Statewide Smoke-Free Indoor Air Legislation and Secondhand Smoke Exposure, Asthma Prevalence, and Related Doctor Visits: 2007-2011.

    Lin, Hsien-Chang / Park, Ji-Yeun / Seo, Dong-Chul

    American journal of public health

    2015  Volume 105, Issue 8, Page(s) 1617–1622

    Abstract: Objectives: We evaluated the impact of comprehensive statewide smoke-free indoor air laws on secondhand smoke (SHS) exposure, asthma prevalence, and asthma-related doctor visits.: Methods: We used the 2007-2011 Behavioral Risk Factor Surveillance ... ...

    Abstract Objectives: We evaluated the impact of comprehensive statewide smoke-free indoor air laws on secondhand smoke (SHS) exposure, asthma prevalence, and asthma-related doctor visits.
    Methods: We used the 2007-2011 Behavioral Risk Factor Surveillance System data sets. We employed a paired t test to determine whether comprehensive statewide smoke-free indoor air laws reduced SHS exposure. We performed weighted logistic and Poisson regressions to obtain likelihood of reporting asthma symptoms and incidence rate ratio (IRR) of doctor visits owing to severe asthma symptoms.
    Results: After such laws were enacted, people in states with comprehensive smoke-free indoor air laws had a lower level of SHS exposure (P < .01), decreased odds of reporting current asthma symptoms (adjusted odds ratio [AOR] = 0.57; 95% confidence interval [CI] = 0.51, 0.63), and a decreased frequency of doctor's visits owing to severe asthma symptoms (IRR = 0.80; 95% CI = 0.69, 0.92) than did their counterparts in fully adjusted models.
    Conclusions: Comprehensive statewide smoke-free indoor air laws appear to be effective in reducing SHS exposure and improving asthma outcomes. Regulations requiring smoke-free indoor environments and public areas are beneficial, and smoke-free indoor air laws should be enforced in all states.
    MeSH term(s) Asthma/epidemiology ; Asthma/therapy ; Behavioral Risk Factor Surveillance System ; Child ; Female ; Humans ; Logistic Models ; Male ; Poisson Distribution ; Prevalence ; Smoke-Free Policy/legislation & jurisprudence ; State Government ; Tobacco Smoke Pollution/statistics & numerical data ; United States/epidemiology
    Chemical Substances Tobacco Smoke Pollution
    Language English
    Publishing date 2015-06-11
    Publishing country United States
    Document type Journal Article
    ZDB-ID 121100-6
    ISSN 1541-0048 ; 0090-0036 ; 0002-9572
    ISSN (online) 1541-0048
    ISSN 0090-0036 ; 0002-9572
    DOI 10.2105/AJPH.2015.302596
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Usefulness of BK virus-specific interferon-γ enzyme-linked immunospot assay for predicting the outcome of BK virus infection in kidney transplant recipients.

    Bae, Hyunjoo / Na, Do Hyun / Chang, Ji-Yeun / Park, Ki Hyun / Min, Ji Won / Ko, Eun Jeong / Lee, Hyeyoung / Yang, Chul Woo / Chung, Byung Ha / Oh, Eun-Jee

    The Korean journal of internal medicine

    2020  Volume 36, Issue 1, Page(s) 164–174

    Abstract: Background/aims: To investigate if BK virus (BKV)-specific T cell immunity measured by an interferon-γ enzyme-linked immunospot (ELISPOT) assay can predict the outcome of BK virus infection in kidney transplant recipients (KTRs).: Methods: We ... ...

    Abstract Background/aims: To investigate if BK virus (BKV)-specific T cell immunity measured by an interferon-γ enzyme-linked immunospot (ELISPOT) assay can predict the outcome of BK virus infection in kidney transplant recipients (KTRs).
    Methods: We included 68 KTRs with different viremia status (no viremia [n = 17], BK viremia [n = 27], and cleared viremia [n = 24]) and 44 healthy controls (HCs). The BK viremia group was divided into controller (< 3 months) and noncontroller (> 3 months) according to sustained duration of BKV infection. We compared BKV-ELISPOT results against five BKV peptides (large tumor antigen [LT], St, VP1-3).
    Results: BKV-ELISPOT results were higher in three KTRs groups with different BKV infection status than the HCs group (p < 0.05). In KTR groups, they were higher in cleared viremia group than no viremia or BK viremia group. Within the BK viremia group, controller group had higher LT-ELISPOT results compared to noncontroller group (p = 0.032). Also, KTRs without BK virus-associated nephropathy (BKVN) had higher LT, St, VP1, and VP2-ELISPOT results than those with BKVN (p < 0.05).
    Conclusion: BKV-ELISPOT assay may be effective in predicting clinical outcomes of BKV infection in terms of clearance of BK virus and development of BKVN.
    MeSH term(s) BK Virus ; Enzyme-Linked Immunospot Assay ; Humans ; Interferon-gamma ; Kidney Transplantation/adverse effects ; Polyomavirus Infections/diagnosis ; Tumor Virus Infections/diagnosis
    Chemical Substances Interferon-gamma (82115-62-6)
    Language English
    Publishing date 2020-04-03
    Publishing country Korea (South)
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 639023-7
    ISSN 2005-6648 ; 1226-3303
    ISSN (online) 2005-6648
    ISSN 1226-3303
    DOI 10.3904/kjim.2019.339
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Characteristics and risk factors of prolonged viable virus shedding in immunocompromised patients with COVID-19: a prospective cohort study.

    Kang, Sung-Woon / Kim, Jun-Won / Kim, Ji Yeun / Lim, So Yun / Jang, Choi-Young / Chang, Euijin / Yang, Jeong-Sun / Kim, Kyung-Chang / Jang, Hee-Chang / Kim, Dasol / Shin, Younmin / Lee, Joo-Yeon / Kim, Sung-Han

    The Journal of infection

    2023  Volume 86, Issue 4, Page(s) 412–414

    MeSH term(s) Humans ; COVID-19 ; Prospective Studies ; Virus Shedding ; Risk Factors ; Immunocompromised Host ; RNA, Viral
    Chemical Substances RNA, Viral
    Language English
    Publishing date 2023-01-20
    Publishing country England
    Document type Letter ; Research Support, Non-U.S. Gov't
    ZDB-ID 424417-5
    ISSN 1532-2742 ; 0163-4453
    ISSN (online) 1532-2742
    ISSN 0163-4453
    DOI 10.1016/j.jinf.2023.01.024
    Database MEDical Literature Analysis and Retrieval System OnLINE

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