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  1. Article ; Online: Genetic Diversity of SARS-CoV-2 among Travelers Arriving in Hong Kong.

    Gu, Haogao / Chu, Daniel K W / Chang, Lydia D J / Cheuk, Sammi S Y / Gurung, Shreya / Krishnan, Pavithra / Ng, Daisy Y M / Liu, Gigi Y Z / Wan, Carrie K C / Xie, Ruopeng / Cheng, Samuel S M / Cowling, Benjamin J / Tsang, Dominic N C / Peiris, Malik / Dhanasekaran, Vijaykrishna / Poon, Leo L M

    Emerging infectious diseases

    2021  Volume 27, Issue 10, Page(s) 2666–2668

    Abstract: We sequenced 10% of imported severe acute respiratory syndrome coronavirus 2 infections detected in travelers to Hong Kong and revealed the genomic diversity of regions of origin, including lineages not previously reported from those countries. Our ... ...

    Abstract We sequenced 10% of imported severe acute respiratory syndrome coronavirus 2 infections detected in travelers to Hong Kong and revealed the genomic diversity of regions of origin, including lineages not previously reported from those countries. Our results suggest that international or regional travel hubs might be useful surveillance sites to monitor sequence diversity.
    MeSH term(s) COVID-19 ; Communicable Diseases, Imported ; Genetic Variation ; Hong Kong/epidemiology ; Humans ; SARS-CoV-2
    Language English
    Publishing date 2021-09-21
    Publishing country United States
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 1380686-5
    ISSN 1080-6059 ; 1080-6040
    ISSN (online) 1080-6059
    ISSN 1080-6040
    DOI 10.3201/eid2710.211028
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Molecular Diagnosis of a Novel Coronavirus (2019-nCoV) Causing an Outbreak of Pneumonia.

    Chu, Daniel K W / Pan, Yang / Cheng, Samuel M S / Hui, Kenrie P Y / Krishnan, Pavithra / Liu, Yingzhi / Ng, Daisy Y M / Wan, Carrie K C / Yang, Peng / Wang, Quanyi / Peiris, Malik / Poon, Leo L M

    Clinical chemistry

    2020  Volume 66, Issue 4, Page(s) 549–555

    Abstract: Background: A novel coronavirus of zoonotic origin (2019-nCoV) has recently been identified in patients with acute respiratory disease. This virus is genetically similar to SARS coronavirus and bat SARS-like coronaviruses. The outbreak was initially ... ...

    Abstract Background: A novel coronavirus of zoonotic origin (2019-nCoV) has recently been identified in patients with acute respiratory disease. This virus is genetically similar to SARS coronavirus and bat SARS-like coronaviruses. The outbreak was initially detected in Wuhan, a major city of China, but has subsequently been detected in other provinces of China. Travel-associated cases have also been reported in a few other countries. Outbreaks in health care workers indicate human-to-human transmission. Molecular tests for rapid detection of this virus are urgently needed for early identification of infected patients.
    Methods: We developed two 1-step quantitative real-time reverse-transcription PCR assays to detect two different regions (ORF1b and N) of the viral genome. The primer and probe sets were designed to react with this novel coronavirus and its closely related viruses, such as SARS coronavirus. These assays were evaluated using a panel of positive and negative controls. In addition, respiratory specimens from two 2019-nCoV-infected patients were tested.
    Results: Using RNA extracted from cells infected by SARS coronavirus as a positive control, these assays were shown to have a dynamic range of at least seven orders of magnitude (2x10-4-2000 TCID50/reaction). Using DNA plasmids as positive standards, the detection limits of these assays were found to be below 10 copies per reaction. All negative control samples were negative in the assays. Samples from two 2019-nCoV-infected patients were positive in the tests.
    Conclusions: The established assays can achieve a rapid detection of 2019n-CoV in human samples, thereby allowing early identification of patients.
    MeSH term(s) Betacoronavirus/genetics ; COVID-19 ; COVID-19 Testing ; Clinical Laboratory Techniques ; Coronavirus Infections/diagnosis ; Coronavirus Infections/epidemiology ; Coronavirus Infections/virology ; Disease Outbreaks ; Humans ; Pandemics ; Phylogeny ; Pneumonia, Viral/diagnosis ; Pneumonia, Viral/epidemiology ; Pneumonia, Viral/virology ; RNA, Viral/genetics ; RNA, Viral/isolation & purification ; Real-Time Polymerase Chain Reaction ; SARS-CoV-2
    Chemical Substances RNA, Viral
    Keywords covid19
    Language English
    Publishing date 2020-02-06
    Publishing country England
    Document type Journal Article ; Research Support, N.I.H., Extramural
    ZDB-ID 80102-1
    ISSN 1530-8561 ; 0009-9147
    ISSN (online) 1530-8561
    ISSN 0009-9147
    DOI 10.1093/clinchem/hvaa029
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Measures of Patient Dissatisfaction With Health Care in Polycystic Ovary Syndrome: Retrospective Analysis.

    Hoyos, Luis R / Putra, Manesha / Armstrong, Abigail A / Cheng, Connie Y / Riestenberg, Carrie K / Schooler, Tery A / Dumesic, Daniel A

    Journal of medical Internet research

    2020  Volume 22, Issue 4, Page(s) e16541

    Abstract: Background: Polycystic ovary syndrome (PCOS) is a common reproductive and metabolic disorder in women; however, many clinicians may not be well versed in scientific advances that aid understanding of the associated reproductive, metabolic, and ... ...

    Abstract Background: Polycystic ovary syndrome (PCOS) is a common reproductive and metabolic disorder in women; however, many clinicians may not be well versed in scientific advances that aid understanding of the associated reproductive, metabolic, and psychological abnormalities. Women with PCOS are dissatisfied with health care providers, the diagnostic process, and the initial treatment of PCOS and seek information through alternative sources. This has affected the patient-physician relationship by allowing medical information acquired through the internet, whether correct or not, to become accessible to patients and reshape their health care perspective. Patient dissatisfaction with health care providers regarding PCOS raises questions about the responsibilities of academic institutions to adequately train and maintain the competence of clinicians and government agencies to sufficiently support scientific investigation in this field.
    Objective: The primary aim was to examine internet searching behaviors of the public regarding PCOS vs another highly prevalent gynecologic disorder. The secondary aim was to explore satisfaction with health care among patients with PCOS and their internet use. The tertiary aim was to examine medical education in reproductive endocrinology and infertility (REI) during obstetrics and gynecology (Ob/Gyn) residency as a proxy for physician knowledge in this field.
    Methods: Google search trends and StoryBase quantified monthly Google absolute search volumes for search terms related to PCOS and fibroids (January 2004 to December 2017; United States). The reproductive disorder, fibroids, was selected as a comparison group because of its high prevalence among women. Between female groups, monthly absolute search volumes and their trends were compared. A Web-based questionnaire (June 2015 to March 2018) explored health care experiences and the internet use of women with PCOS. REI rotation information during Ob/Gyn residency in the United States was obtained from the Association of Professors of Gynecology and Obstetrics website.
    Results: For PCOS (R=0.89; P<.01), but not fibroids (R=0.09; P=.25), monthly absolute search volumes increased significantly. PCOS-related monthly absolute search volumes (mean 384,423 searches, SD 88,756) were significantly greater than fibroid-related monthly absolute search volumes (mean 348,502 searches, SD 37,317; P<.05). PCOS was diagnosed by an Ob/Gyn in 60.9% (462/759) of patients, and 57.3% (435/759) of patients were dissatisfied with overall care. Among patients with PCOS, 98.2% (716/729) searched for PCOS on the Web but only 18.8% (143/729) of patients joined an online PCOS support group or forum. On average, Ob/Gyn residencies dedicated only 4% (2/43) of total block time to REI, whereas 5.5% (11/200) of such residencies did not offer any REI rotations.
    Conclusions: Over time, PCOS has been increasingly searched on the Web compared with another highly prevalent gynecologic disorder. Patients with PCOS are dissatisfied with their health care providers, who would benefit from an improved understanding of PCOS during Ob/Gyn residency training.
    MeSH term(s) Adolescent ; Adult ; Delivery of Health Care ; Female ; Humans ; Middle Aged ; Patient Satisfaction/statistics & numerical data ; Polycystic Ovary Syndrome/therapy ; Retrospective Studies ; Surveys and Questionnaires ; Young Adult
    Language English
    Publishing date 2020-04-21
    Publishing country Canada
    Document type Journal Article
    ZDB-ID 2028830-X
    ISSN 1438-8871 ; 1439-4456
    ISSN (online) 1438-8871
    ISSN 1439-4456
    DOI 10.2196/16541
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Genomic epidemiology of SARS-CoV-2 under an elimination strategy in Hong Kong

    Haogao Gu / Ruopeng Xie / Dillon C. Adam / Joseph L.-H. Tsui / Daniel K. Chu / Lydia D. J. Chang / Sammi S. Y. Cheuk / Shreya Gurung / Pavithra Krishnan / Daisy Y. M. Ng / Gigi Y. Z. Liu / Carrie K. C. Wan / Samuel S. M. Cheng / Kimberly M. Edwards / Kathy S. M. Leung / Joseph T. Wu / Dominic N. C. Tsang / Gabriel M. Leung / Benjamin J. Cowling /
    Malik Peiris / Tommy T. Y. Lam / Vijaykrishna Dhanasekaran / Leo L. M. Poon

    Nature Communications, Vol 13, Iss 1, Pp 1-

    2022  Volume 10

    Abstract: Hong Kong has used an elimination strategy to control SARS-CoV-2 with stringent measures including traveller quarantine. Here, the authors show that the majority of community-acquired cases until January 2021 resulted from three importations, and that ... ...

    Abstract Hong Kong has used an elimination strategy to control SARS-CoV-2 with stringent measures including traveller quarantine. Here, the authors show that the majority of community-acquired cases until January 2021 resulted from three importations, and that increased transmission followed prolonged periods of restrictions, likely due to adherence fatigue.
    Keywords Science ; Q
    Language English
    Publishing date 2022-02-01T00:00:00Z
    Publisher Nature Portfolio
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  5. Article ; Online: Genomic epidemiology of SARS-CoV-2 under an elimination strategy in Hong Kong.

    Gu, Haogao / Xie, Ruopeng / Adam, Dillon C / Tsui, Joseph L-H / Chu, Daniel K / Chang, Lydia D J / Cheuk, Sammi S Y / Gurung, Shreya / Krishnan, Pavithra / Ng, Daisy Y M / Liu, Gigi Y Z / Wan, Carrie K C / Cheng, Samuel S M / Edwards, Kimberly M / Leung, Kathy S M / Wu, Joseph T / Tsang, Dominic N C / Leung, Gabriel M / Cowling, Benjamin J /
    Peiris, Malik / Lam, Tommy T Y / Dhanasekaran, Vijaykrishna / Poon, Leo L M

    Nature communications

    2022  Volume 13, Issue 1, Page(s) 736

    Abstract: Hong Kong employed a strategy of intermittent public health and social measures alongside increasingly stringent travel regulations to eliminate domestic SARS-CoV-2 transmission. By analyzing 1899 genome sequences (>18% of confirmed cases) from 23- ... ...

    Abstract Hong Kong employed a strategy of intermittent public health and social measures alongside increasingly stringent travel regulations to eliminate domestic SARS-CoV-2 transmission. By analyzing 1899 genome sequences (>18% of confirmed cases) from 23-January-2020 to 26-January-2021, we reveal the effects of fluctuating control measures on the evolution and epidemiology of SARS-CoV-2 lineages in Hong Kong. Despite numerous importations, only three introductions were responsible for 90% of locally-acquired cases. Community outbreaks were caused by novel introductions rather than a resurgence of circulating strains. Thus, local outbreak prevention requires strong border control and community surveillance, especially during periods of less stringent social restriction. Non-adherence to prolonged preventative measures may explain sustained local transmission observed during wave four in late 2020 and early 2021. We also found that, due to a tight transmission bottleneck, transmission of low-frequency single nucleotide variants between hosts is rare.
    MeSH term(s) COVID-19/epidemiology ; COVID-19/transmission ; COVID-19/virology ; Genomics ; Hong Kong/epidemiology ; Humans ; Public Health ; SARS-CoV-2/genetics ; SARS-CoV-2/isolation & purification ; SARS-CoV-2/physiology ; Travel
    Language English
    Publishing date 2022-02-08
    Publishing country England
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, P.H.S.
    ZDB-ID 2553671-0
    ISSN 2041-1723 ; 2041-1723
    ISSN (online) 2041-1723
    ISSN 2041-1723
    DOI 10.1038/s41467-022-28420-7
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: The chromatin landscape of healthy and injured cell types in the human kidney.

    Gisch, Debora L / Brennan, Michelle / Lake, Blue B / Basta, Jeannine / Keller, Mark S / Melo Ferreira, Ricardo / Akilesh, Shreeram / Ghag, Reetika / Lu, Charles / Cheng, Ying-Hua / Collins, Kimberly S / Parikh, Samir V / Rovin, Brad H / Robbins, Lynn / Stout, Lisa / Conklin, Kimberly Y / Diep, Dinh / Zhang, Bo / Knoten, Amanda /
    Barwinska, Daria / Asghari, Mahla / Sabo, Angela R / Ferkowicz, Michael J / Sutton, Timothy A / Kelly, Katherine J / De Boer, Ian H / Rosas, Sylvia E / Kiryluk, Krzysztof / Hodgin, Jeffrey B / Alakwaa, Fadhl / Winfree, Seth / Jefferson, Nichole / Türkmen, Aydın / Gaut, Joseph P / Gehlenborg, Nils / Phillips, Carrie L / El-Achkar, Tarek M / Dagher, Pierre C / Hato, Takashi / Zhang, Kun / Himmelfarb, Jonathan / Kretzler, Matthias / Mollah, Shamim / Jain, Sanjay / Rauchman, Michael / Eadon, Michael T

    Nature communications

    2024  Volume 15, Issue 1, Page(s) 433

    Abstract: There is a need to define regions of gene activation or repression that control human kidney cells in states of health, injury, and repair to understand the molecular pathogenesis of kidney disease and design therapeutic strategies. Comprehensive ... ...

    Abstract There is a need to define regions of gene activation or repression that control human kidney cells in states of health, injury, and repair to understand the molecular pathogenesis of kidney disease and design therapeutic strategies. Comprehensive integration of gene expression with epigenetic features that define regulatory elements remains a significant challenge. We measure dual single nucleus RNA expression and chromatin accessibility, DNA methylation, and H3K27ac, H3K4me1, H3K4me3, and H3K27me3 histone modifications to decipher the chromatin landscape and gene regulation of the kidney in reference and adaptive injury states. We establish a spatially-anchored epigenomic atlas to define the kidney's active, silent, and regulatory accessible chromatin regions across the genome. Using this atlas, we note distinct control of adaptive injury in different epithelial cell types. A proximal tubule cell transcription factor network of ELF3, KLF6, and KLF10 regulates the transition between health and injury, while in thick ascending limb cells this transition is regulated by NR2F1. Further, combined perturbation of ELF3, KLF6, and KLF10 distinguishes two adaptive proximal tubular cell subtypes, one of which manifested a repair trajectory after knockout. This atlas will serve as a foundation to facilitate targeted cell-specific therapeutics by reprogramming gene regulatory networks.
    MeSH term(s) Humans ; Chromatin/genetics ; Kidney ; Kidney Tubules, Proximal ; Health Status ; Cell Count
    Chemical Substances Chromatin
    Language English
    Publishing date 2024-01-10
    Publishing country England
    Document type Journal Article
    ZDB-ID 2553671-0
    ISSN 2041-1723 ; 2041-1723
    ISSN (online) 2041-1723
    ISSN 2041-1723
    DOI 10.1038/s41467-023-44467-6
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Genetic Diversity of SARS-CoV-2 among Travelers Arriving in Hong Kong

    Haogao Gu / Daniel K.W. Chu / Lydia D.J. Chang / Sammi S.Y. Cheuk / Shreya Gurung / Pavithra Krishnan / Daisy Y.M. Ng / Gigi Y.Z. Liu / Carrie K.C. Wan / Ruopeng Xie / Samuel S.M. Cheng / Benjamin J. Cowling / Dominic N.C. Tsang / Malik Peiris / Vijaykrishna Dhanasekaran / Leo L.M. Poon

    Emerging Infectious Diseases, Vol 27, Iss 10, Pp 2666-

    2021  Volume 2668

    Abstract: We sequenced 10% of imported severe acute respiratory syndrome coronavirus 2 infections detected in travelers to Hong Kong and revealed the genomic diversity of regions of origin, including lineages not previously reported from those countries. Our ... ...

    Abstract We sequenced 10% of imported severe acute respiratory syndrome coronavirus 2 infections detected in travelers to Hong Kong and revealed the genomic diversity of regions of origin, including lineages not previously reported from those countries. Our results suggest that international or regional travel hubs might be useful surveillance sites to monitor sequence diversity.
    Keywords coronavirus disease ; COVID-19 ; disease transmission control ; genomic diversity ; public health ; public health readiness ; Medicine ; R ; Infectious and parasitic diseases ; RC109-216
    Language English
    Publishing date 2021-10-01T00:00:00Z
    Publisher Centers for Disease Control and Prevention
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Article ; Online: The chromatin landscape of healthy and injured cell types in the human kidney

    Debora L. Gisch / Michelle Brennan / Blue B. Lake / Jeannine Basta / Mark S. Keller / Ricardo Melo Ferreira / Shreeram Akilesh / Reetika Ghag / Charles Lu / Ying-Hua Cheng / Kimberly S. Collins / Samir V. Parikh / Brad H. Rovin / Lynn Robbins / Lisa Stout / Kimberly Y. Conklin / Dinh Diep / Bo Zhang / Amanda Knoten /
    Daria Barwinska / Mahla Asghari / Angela R. Sabo / Michael J. Ferkowicz / Timothy A. Sutton / Katherine J. Kelly / Ian H. De Boer / Sylvia E. Rosas / Krzysztof Kiryluk / Jeffrey B. Hodgin / Fadhl Alakwaa / Seth Winfree / Nichole Jefferson / Aydın Türkmen / Joseph P. Gaut / Nils Gehlenborg / Carrie L. Phillips / Tarek M. El-Achkar / Pierre C. Dagher / Takashi Hato / Kun Zhang / Jonathan Himmelfarb / Matthias Kretzler / Shamim Mollah / the Kidney Precision Medicine Project (KPMP) / Sanjay Jain / Michael Rauchman / Michael T. Eadon

    Nature Communications, Vol 15, Iss 1, Pp 1-

    2024  Volume 21

    Abstract: Abstract There is a need to define regions of gene activation or repression that control human kidney cells in states of health, injury, and repair to understand the molecular pathogenesis of kidney disease and design therapeutic strategies. ... ...

    Abstract Abstract There is a need to define regions of gene activation or repression that control human kidney cells in states of health, injury, and repair to understand the molecular pathogenesis of kidney disease and design therapeutic strategies. Comprehensive integration of gene expression with epigenetic features that define regulatory elements remains a significant challenge. We measure dual single nucleus RNA expression and chromatin accessibility, DNA methylation, and H3K27ac, H3K4me1, H3K4me3, and H3K27me3 histone modifications to decipher the chromatin landscape and gene regulation of the kidney in reference and adaptive injury states. We establish a spatially-anchored epigenomic atlas to define the kidney’s active, silent, and regulatory accessible chromatin regions across the genome. Using this atlas, we note distinct control of adaptive injury in different epithelial cell types. A proximal tubule cell transcription factor network of ELF3, KLF6, and KLF10 regulates the transition between health and injury, while in thick ascending limb cells this transition is regulated by NR2F1. Further, combined perturbation of ELF3, KLF6, and KLF10 distinguishes two adaptive proximal tubular cell subtypes, one of which manifested a repair trajectory after knockout. This atlas will serve as a foundation to facilitate targeted cell-specific therapeutics by reprogramming gene regulatory networks.
    Keywords Science ; Q
    Subject code 570
    Language English
    Publishing date 2024-01-01T00:00:00Z
    Publisher Nature Portfolio
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  9. Article ; Online: Air travel-related outbreak of multiple SARS-CoV-2 variants.

    Dhanasekaran, Vijaykrishna / Edwards, Kimberly M / Xie, Ruopeng / Gu, Haogao / Adam, Dillon C / Chang, Lydia D J / Cheuk, Sammi S Y / Gurung, Shreya / Krishnan, Pavithra / Ng, Daisy Y M / Liu, Gigi Y Z / Wan, Carrie K C / Cheng, Samuel S M / Tsang, Dominic N C / Cowling, Benjamin J / Peiris, Malik / Poon, Leo L M

    Journal of travel medicine

    2021  Volume 28, Issue 8

    Abstract: Background: A large cluster of 59 cases were linked to a single flight with 146 passengers from New Delhi to Hong Kong in April 2021. This outbreak coincided with early reports of exponential pandemic growth in New Delhi, which reached a peak of > 400 ... ...

    Abstract Background: A large cluster of 59 cases were linked to a single flight with 146 passengers from New Delhi to Hong Kong in April 2021. This outbreak coincided with early reports of exponential pandemic growth in New Delhi, which reached a peak of > 400 000 newly confirmed cases on 7 May 2021.
    Methods: Epidemiological information including date of symptom onset, date of positive-sample detection and travel and contact history for individual cases from this flight were collected. Whole genome sequencing was performed, and sequences were classified based on the dynamic Pango nomenclature system. Maximum-likelihood phylogenetic analysis compared sequences from this flight alongside other cases imported from India to Hong Kong on 26 flights between June 2020 and April 2021, as well as sequences from India or associated with India-related travel from February to April 2021 and 1217 reference sequences.
    Results: Sequence analysis identified six lineages of SARS-CoV-2 belonging to two variants of concern (Alpha and Delta) and one variant of public health interest (Kappa) involved in this outbreak. Phylogenetic analysis confirmed at least three independent sub-lineages of Alpha with limited onward transmission, a superspreading event comprising 37 cases of Kappa and transmission of Delta to only one passenger. Additional analysis of another 26 flights from India to Hong Kong confirmed widespread circulation of all three variants in India since early March 2021.
    Conclusions: The broad spectrum of disease severity and long incubation period of SARS-CoV-2 pose a challenge for surveillance and control. As illustrated by this particular outbreak, opportunistic infections of SARS-CoV-2 can occur irrespective of variant lineage, and requiring a nucleic acid test within 72 hours of departure may be insufficient to prevent importation or in-flight transmission.
    MeSH term(s) Air Travel ; COVID-19/epidemiology ; COVID-19/transmission ; Disease Outbreaks ; Hong Kong ; Humans ; India ; Phylogeny ; Travel-Related Illness
    Language English
    Publishing date 2021-09-20
    Publishing country England
    Document type Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't
    ZDB-ID 1212504-0
    ISSN 1708-8305 ; 1195-1982
    ISSN (online) 1708-8305
    ISSN 1195-1982
    DOI 10.1093/jtm/taab149
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article: The chromatin landscape of healthy and injured cell types in the human kidney.

    Gisch, Debora L / Brennan, Michelle / Lake, Blue B / Basta, Jeannine / Keller, Mark / Ferreira, Ricardo Melo / Akilesh, Shreeram / Ghag, Reetika / Lu, Charles / Cheng, Ying-Hua / Collins, Kimberly S / Parikh, Samir V / Rovin, Brad H / Robbins, Lynn / Conklin, Kimberly Y / Diep, Dinh / Zhang, Bo / Knoten, Amanda / Barwinska, Daria /
    Asghari, Mahla / Sabo, Angela R / Ferkowicz, Michael J / Sutton, Timothy A / Kelly, Katherine J / Boer, Ian H De / Rosas, Sylvia E / Kiryluk, Krzysztof / Hodgin, Jeffrey B / Alakwaa, Fadhl / Jefferson, Nichole / Gaut, Joseph P / Gehlenborg, Nils / Phillips, Carrie L / El-Achkar, Tarek M / Dagher, Pierre C / Hato, Takashi / Zhang, Kun / Himmelfarb, Jonathan / Kretzler, Matthias / Mollah, Shamim / Jain, Sanjay / Rauchman, Michael / Eadon, Michael T

    bioRxiv : the preprint server for biology

    2023  

    Abstract: There is a need to define regions of gene activation or repression that control human kidney cells in states of health, injury, and repair to understand the molecular pathogenesis of kidney disease and design therapeutic strategies. However, ... ...

    Abstract There is a need to define regions of gene activation or repression that control human kidney cells in states of health, injury, and repair to understand the molecular pathogenesis of kidney disease and design therapeutic strategies. However, comprehensive integration of gene expression with epigenetic features that define regulatory elements remains a significant challenge. We measured dual single nucleus RNA expression and chromatin accessibility, DNA methylation, and H3K27ac, H3K4me1, H3K4me3, and H3K27me3 histone modifications to decipher the chromatin landscape and gene regulation of the kidney in reference and adaptive injury states. We established a comprehensive and spatially-anchored epigenomic atlas to define the kidney's active, silent, and regulatory accessible chromatin regions across the genome. Using this atlas, we noted distinct control of adaptive injury in different epithelial cell types. A proximal tubule cell transcription factor network of
    Language English
    Publishing date 2023-06-08
    Publishing country United States
    Document type Preprint
    DOI 10.1101/2023.06.07.543965
    Database MEDical Literature Analysis and Retrieval System OnLINE

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