Cobalt Chloride as a Hypoxia Mimicking Agent Induced HIF-1α and mTOR Expressions of Human Umbilical Cord Mesenchymal Stem Cells

ABSTRACT Objective: To assess the effects of cobalt chloride (CoCl2) as a hypoxia mimicking agent on human umbilical cord mesenchymal stem cells (hUCMSCs) expression of HIF-1α and mTOR for use in regenerative dentistry. Material and Methods: Human umbilical cord mesenchymal stem cells were isolated...

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Vydáno v:Pesquisa brasileira em odontopediatria e clínica integrada Ročník 24
Hlavní autoři: Kuntjoro, Mefina, Hendrijantini, Nike, Prasetyo, Eric Priyo, Agustono, Bambang, Sitalaksmi, Ratri Maya, Hendrianto, Eryk, Dinaryanti, Aristika, Rusli, Marvin, Tjendronegoro, Evelyn, Hong, Guang
Médium: Journal Article
Jazyk:angličtina
Vydáno: Associação de Apoio à Pesquisa em Saúde Bucal 2024
Association of Support to Oral Health Research (APESB)
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ISSN:1983-4632, 1519-0501, 1983-4632
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Abstract ABSTRACT Objective: To assess the effects of cobalt chloride (CoCl2) as a hypoxia mimicking agent on human umbilical cord mesenchymal stem cells (hUCMSCs) expression of HIF-1α and mTOR for use in regenerative dentistry. Material and Methods: Human umbilical cord mesenchymal stem cells were isolated and then cultured. The characteristics of stemness were screened and confirmed by flow cytometry. The experiment was conducted on hypoxia (H) and normoxia (N) groups. Each group was divided and incubated into 24-, 48-, and 72-hours observations. Hypoxic treatment was performed using 100 µM CoCl2 on 5th passage cells in a conventional incubator (37°C; 5CO2). Then, immunofluorescence of HIF-1α and mTOR was done. Data was analyzed statistically using One-way ANOVA and Tukey’s HSD. Results: Significant differences were found between normoxic and hypoxic groups on HIF-1α (p=0.015) and mTOR (p=0.000) expressions. The highest HIF-1α expression was found at 48 hours in the hypoxia group, while for mTOR at 24 hours in the hypoxia group. Conclusion: Hypoxia using cobalt chloride was able to increase human umbilical cord mesenchymal stem cells expression of HIF-1α and mTOR.
AbstractList ABSTRACT Objective: To assess the effects of cobalt chloride (CoCl2) as a hypoxia mimicking agent on human umbilical cord mesenchymal stem cells (hUCMSCs) expression of HIF-1α and mTOR for use in regenerative dentistry. Material and Methods: Human umbilical cord mesenchymal stem cells were isolated and then cultured. The characteristics of stemness were screened and confirmed by flow cytometry. The experiment was conducted on hypoxia (H) and normoxia (N) groups. Each group was divided and incubated into 24-, 48-, and 72-hours observations. Hypoxic treatment was performed using 100 µM CoCl2 on 5th passage cells in a conventional incubator (37°C; 5CO2). Then, immunofluorescence of HIF-1α and mTOR was done. Data was analyzed statistically using One-way ANOVA and Tukey’s HSD. Results: Significant differences were found between normoxic and hypoxic groups on HIF-1α (p=0.015) and mTOR (p=0.000) expressions. The highest HIF-1α expression was found at 48 hours in the hypoxia group, while for mTOR at 24 hours in the hypoxia group. Conclusion: Hypoxia using cobalt chloride was able to increase human umbilical cord mesenchymal stem cells expression of HIF-1α and mTOR.
Objective: To assess the effects of cobalt chloride (CoCl2) as a hypoxia mimicking agent on human umbilical cord mesenchymal stem cells (hUCMSCs) expression of HIF-1α and mTOR for use in regenerative dentistry. Material and Methods: Human umbilical cord mesenchymal stem cells were isolated and then cultured. The characteristics of stemness were screened and confirmed by flow cytometry. The experiment was conducted on hypoxia (H) and normoxia (N) groups. Each group was divided and incubated into 24-, 48-, and 72-hours observations. Hypoxic treatment was performed using 100 µM CoCl2 on 5th passage cells in a conventional incubator (37°C; 5% CO2). Then, immunofluorescence of HIF-1α and mTOR was done. Data was analyzed statistically using One-way ANOVA and Tukey’s HSD. Results: Significant differences were found between normoxic and hypoxic groups on HIF-1α (p=0.015) and mTOR (p=0.000) expressions. The highest HIF-1α expression was found at 48 hours in the hypoxia group, while for mTOR at 24 hours in the hypoxia group. Conclusion: Hypoxia using cobalt chloride was able to increase human umbilical cord mesenchymal stem cells expression of HIF-1α and mTOR.
Author Rusli, Marvin
Kuntjoro, Mefina
Dinaryanti, Aristika
Prasetyo, Eric Priyo
Agustono, Bambang
Tjendronegoro, Evelyn
Hendrianto, Eryk
Hendrijantini, Nike
Sitalaksmi, Ratri Maya
Hong, Guang
AuthorAffiliation Universitas Airlangga
Tohoku University
University of California
AuthorAffiliation_xml – name: Universitas Airlangga
– name: University of California
– name: Tohoku University
Author_xml – sequence: 1
  givenname: Mefina
  surname: Kuntjoro
  fullname: Kuntjoro, Mefina
  organization: Universitas Airlangga
– sequence: 2
  givenname: Nike
  surname: Hendrijantini
  fullname: Hendrijantini, Nike
  organization: Universitas Airlangga
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  givenname: Eric Priyo
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  organization: Universitas Airlangga
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  givenname: Bambang
  surname: Agustono
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  givenname: Ratri Maya
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  organization: Universitas Airlangga
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  givenname: Evelyn
  surname: Tjendronegoro
  fullname: Tjendronegoro, Evelyn
  organization: University of California
– sequence: 10
  givenname: Guang
  surname: Hong
  fullname: Hong, Guang
  organization: Tohoku University
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Keywords Regeneration
Hypoxia
Umbilical Cord
Mesenchymal Stem Cells
Stem Cell Research
Language English
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Association of Support to Oral Health Research (APESB)
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Snippet ABSTRACT Objective: To assess the effects of cobalt chloride (CoCl2) as a hypoxia mimicking agent on human umbilical cord mesenchymal stem cells (hUCMSCs)...
Objective: To assess the effects of cobalt chloride (CoCl2) as a hypoxia mimicking agent on human umbilical cord mesenchymal stem cells (hUCMSCs) expression of...
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SubjectTerms DENTISTRY, ORAL SURGERY & MEDICINE
Mesenchymal Stem Cells
Regeneration
Stem Cell Research
Umbilical Cord
Title Cobalt Chloride as a Hypoxia Mimicking Agent Induced HIF-1α and mTOR Expressions of Human Umbilical Cord Mesenchymal Stem Cells
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