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normal human epidermal keratinocytes  (ATCC)
99
ATCC normal human epidermal keratinocytes
Normal Human Epidermal Keratinocytes, supplied by ATCC, used in various techniques. Bioz Stars score: 99/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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human normal human epidermal keratinocytes nhek  (PromoCell)
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PromoCell human normal human epidermal keratinocytes nhek
UA beneficial impact on human <t>keratinocytes</t> and reconstituted human epidermis (A) Mitochondrial respiration (basal and maximal) assessed as oxygen consumption rate (OCR) in human dermal keratinocytes after 72 h of differentiation from young donor treated with DMSO for 24 h or the indicated dose of UA. ∗ p < 0.05 and ∗∗∗ p < 0.001 after one-way ANOVA. Error bars represent mean ± SEM. (B) TOMM20 immunostaining of skin epidermis in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as antibody staining signal over imaging field. ∗ p < 0.05 and ∗∗∗∗ p < 0.0001 after unpaired t test one-way ANOVA. Error bars represent mean ± SEM. Scale bars, 50 μm. (C) Relative gene expression of PINK1 and PARK2 in reconstructed human epidermis (RHE). RHE tissues were moisturized for 24 h with or without 1% Mitopure, and relative expression levels of PINK1 and PARK2 were quantified. Statistical analysis was performed using one-way ANOVA (∗ p < 0.05; ∗∗ p < 0.01). Error bars represent mean ± SEM. (D) Interleukin 6 levels normalized to cell viability in keratinocytes. Keratinocytes were stimulated with a pro-inflammatory cytokine mix for 24 h then treated for an additional 24 h with either DMSO or 1 μM UA. IL-6 secretion was quantified and normalized to cell viability. Statistical analysis was performed using one-way ANOVA (∗∗∗∗ p < 0.0001). Error bars represent mean ± SEM. (E) p16 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as antibody staining signal over imaging field. ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm. (F) Ki67 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as number of Ki67 positive cells normalized over μm of dermal epidermal junction (count/μm) ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm. (G) Keratin 10 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as fluorescence intensity over epidermis area. ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm.
Human Normal Human Epidermal Keratinocytes Nhek, supplied by PromoCell, used in various techniques. Bioz Stars score: 95/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
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human keratinocyte cells  (CLS Cell Lines Service GmbH)
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CLS Cell Lines Service GmbH human keratinocyte cells
UA beneficial impact on human <t>keratinocytes</t> and reconstituted human epidermis (A) Mitochondrial respiration (basal and maximal) assessed as oxygen consumption rate (OCR) in human dermal keratinocytes after 72 h of differentiation from young donor treated with DMSO for 24 h or the indicated dose of UA. ∗ p < 0.05 and ∗∗∗ p < 0.001 after one-way ANOVA. Error bars represent mean ± SEM. (B) TOMM20 immunostaining of skin epidermis in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as antibody staining signal over imaging field. ∗ p < 0.05 and ∗∗∗∗ p < 0.0001 after unpaired t test one-way ANOVA. Error bars represent mean ± SEM. Scale bars, 50 μm. (C) Relative gene expression of PINK1 and PARK2 in reconstructed human epidermis (RHE). RHE tissues were moisturized for 24 h with or without 1% Mitopure, and relative expression levels of PINK1 and PARK2 were quantified. Statistical analysis was performed using one-way ANOVA (∗ p < 0.05; ∗∗ p < 0.01). Error bars represent mean ± SEM. (D) Interleukin 6 levels normalized to cell viability in keratinocytes. Keratinocytes were stimulated with a pro-inflammatory cytokine mix for 24 h then treated for an additional 24 h with either DMSO or 1 μM UA. IL-6 secretion was quantified and normalized to cell viability. Statistical analysis was performed using one-way ANOVA (∗∗∗∗ p < 0.0001). Error bars represent mean ± SEM. (E) p16 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as antibody staining signal over imaging field. ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm. (F) Ki67 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as number of Ki67 positive cells normalized over μm of dermal epidermal junction (count/μm) ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm. (G) Keratin 10 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as fluorescence intensity over epidermis area. ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm.
Human Keratinocyte Cells, supplied by CLS Cell Lines Service GmbH, used in various techniques. Bioz Stars score: 98/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/human+keratinocytes/HaCaT+Cells/pmc13629026-97-31-35
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human keratinocyte cells - by Bioz Stars, 2026-10
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human epidermal keratinocyte  (CLS Cell Lines Service GmbH)
96
CLS Cell Lines Service GmbH human epidermal keratinocyte
UA beneficial impact on human <t>keratinocytes</t> and reconstituted human epidermis (A) Mitochondrial respiration (basal and maximal) assessed as oxygen consumption rate (OCR) in human dermal keratinocytes after 72 h of differentiation from young donor treated with DMSO for 24 h or the indicated dose of UA. ∗ p < 0.05 and ∗∗∗ p < 0.001 after one-way ANOVA. Error bars represent mean ± SEM. (B) TOMM20 immunostaining of skin epidermis in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as antibody staining signal over imaging field. ∗ p < 0.05 and ∗∗∗∗ p < 0.0001 after unpaired t test one-way ANOVA. Error bars represent mean ± SEM. Scale bars, 50 μm. (C) Relative gene expression of PINK1 and PARK2 in reconstructed human epidermis (RHE). RHE tissues were moisturized for 24 h with or without 1% Mitopure, and relative expression levels of PINK1 and PARK2 were quantified. Statistical analysis was performed using one-way ANOVA (∗ p < 0.05; ∗∗ p < 0.01). Error bars represent mean ± SEM. (D) Interleukin 6 levels normalized to cell viability in keratinocytes. Keratinocytes were stimulated with a pro-inflammatory cytokine mix for 24 h then treated for an additional 24 h with either DMSO or 1 μM UA. IL-6 secretion was quantified and normalized to cell viability. Statistical analysis was performed using one-way ANOVA (∗∗∗∗ p < 0.0001). Error bars represent mean ± SEM. (E) p16 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as antibody staining signal over imaging field. ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm. (F) Ki67 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as number of Ki67 positive cells normalized over μm of dermal epidermal junction (count/μm) ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm. (G) Keratin 10 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as fluorescence intensity over epidermis area. ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm.
Human Epidermal Keratinocyte, supplied by CLS Cell Lines Service GmbH, used in various techniques. Bioz Stars score: 96/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/human+keratinocytes/Human+Epidermal+Keratinocyte/custom%40300692%4010%2E1021%2Facsomega%2E6c04833
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human epidermal keratinocyte - by Bioz Stars, 2026-10
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human keratinocyte cell line  (CLS Cell Lines Service GmbH)
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CLS Cell Lines Service GmbH human keratinocyte cell line
UA beneficial impact on human <t>keratinocytes</t> and reconstituted human epidermis (A) Mitochondrial respiration (basal and maximal) assessed as oxygen consumption rate (OCR) in human dermal keratinocytes after 72 h of differentiation from young donor treated with DMSO for 24 h or the indicated dose of UA. ∗ p < 0.05 and ∗∗∗ p < 0.001 after one-way ANOVA. Error bars represent mean ± SEM. (B) TOMM20 immunostaining of skin epidermis in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as antibody staining signal over imaging field. ∗ p < 0.05 and ∗∗∗∗ p < 0.0001 after unpaired t test one-way ANOVA. Error bars represent mean ± SEM. Scale bars, 50 μm. (C) Relative gene expression of PINK1 and PARK2 in reconstructed human epidermis (RHE). RHE tissues were moisturized for 24 h with or without 1% Mitopure, and relative expression levels of PINK1 and PARK2 were quantified. Statistical analysis was performed using one-way ANOVA (∗ p < 0.05; ∗∗ p < 0.01). Error bars represent mean ± SEM. (D) Interleukin 6 levels normalized to cell viability in keratinocytes. Keratinocytes were stimulated with a pro-inflammatory cytokine mix for 24 h then treated for an additional 24 h with either DMSO or 1 μM UA. IL-6 secretion was quantified and normalized to cell viability. Statistical analysis was performed using one-way ANOVA (∗∗∗∗ p < 0.0001). Error bars represent mean ± SEM. (E) p16 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as antibody staining signal over imaging field. ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm. (F) Ki67 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as number of Ki67 positive cells normalized over μm of dermal epidermal junction (count/μm) ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm. (G) Keratin 10 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as fluorescence intensity over epidermis area. ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm.
Human Keratinocyte Cell Line, supplied by CLS Cell Lines Service GmbH, used in various techniques. Bioz Stars score: 98/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/human+keratinocytes/HaCaT+Cells/10__1016_slash_j__jddst__2026__108857-126-0-9
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human keratinocyte cell line - by Bioz Stars, 2026-10
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human immortalized keratinocytes hacat  (CLS Cell Lines Service GmbH)
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CLS Cell Lines Service GmbH human immortalized keratinocytes hacat
UA beneficial impact on human <t>keratinocytes</t> and reconstituted human epidermis (A) Mitochondrial respiration (basal and maximal) assessed as oxygen consumption rate (OCR) in human dermal keratinocytes after 72 h of differentiation from young donor treated with DMSO for 24 h or the indicated dose of UA. ∗ p < 0.05 and ∗∗∗ p < 0.001 after one-way ANOVA. Error bars represent mean ± SEM. (B) TOMM20 immunostaining of skin epidermis in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as antibody staining signal over imaging field. ∗ p < 0.05 and ∗∗∗∗ p < 0.0001 after unpaired t test one-way ANOVA. Error bars represent mean ± SEM. Scale bars, 50 μm. (C) Relative gene expression of PINK1 and PARK2 in reconstructed human epidermis (RHE). RHE tissues were moisturized for 24 h with or without 1% Mitopure, and relative expression levels of PINK1 and PARK2 were quantified. Statistical analysis was performed using one-way ANOVA (∗ p < 0.05; ∗∗ p < 0.01). Error bars represent mean ± SEM. (D) Interleukin 6 levels normalized to cell viability in keratinocytes. Keratinocytes were stimulated with a pro-inflammatory cytokine mix for 24 h then treated for an additional 24 h with either DMSO or 1 μM UA. IL-6 secretion was quantified and normalized to cell viability. Statistical analysis was performed using one-way ANOVA (∗∗∗∗ p < 0.0001). Error bars represent mean ± SEM. (E) p16 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as antibody staining signal over imaging field. ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm. (F) Ki67 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as number of Ki67 positive cells normalized over μm of dermal epidermal junction (count/μm) ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm. (G) Keratin 10 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as fluorescence intensity over epidermis area. ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm.
Human Immortalized Keratinocytes Hacat, supplied by CLS Cell Lines Service GmbH, used in various techniques. Bioz Stars score: 98/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/human+keratinocytes/HaCaT+Cells/pm41700367-42-0-4
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nheks  (ATCC)
99
ATCC nheks
UA beneficial impact on human <t>keratinocytes</t> and reconstituted human epidermis (A) Mitochondrial respiration (basal and maximal) assessed as oxygen consumption rate (OCR) in human dermal keratinocytes after 72 h of differentiation from young donor treated with DMSO for 24 h or the indicated dose of UA. ∗ p < 0.05 and ∗∗∗ p < 0.001 after one-way ANOVA. Error bars represent mean ± SEM. (B) TOMM20 immunostaining of skin epidermis in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as antibody staining signal over imaging field. ∗ p < 0.05 and ∗∗∗∗ p < 0.0001 after unpaired t test one-way ANOVA. Error bars represent mean ± SEM. Scale bars, 50 μm. (C) Relative gene expression of PINK1 and PARK2 in reconstructed human epidermis (RHE). RHE tissues were moisturized for 24 h with or without 1% Mitopure, and relative expression levels of PINK1 and PARK2 were quantified. Statistical analysis was performed using one-way ANOVA (∗ p < 0.05; ∗∗ p < 0.01). Error bars represent mean ± SEM. (D) Interleukin 6 levels normalized to cell viability in keratinocytes. Keratinocytes were stimulated with a pro-inflammatory cytokine mix for 24 h then treated for an additional 24 h with either DMSO or 1 μM UA. IL-6 secretion was quantified and normalized to cell viability. Statistical analysis was performed using one-way ANOVA (∗∗∗∗ p < 0.0001). Error bars represent mean ± SEM. (E) p16 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as antibody staining signal over imaging field. ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm. (F) Ki67 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as number of Ki67 positive cells normalized over μm of dermal epidermal junction (count/μm) ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm. (G) Keratin 10 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as fluorescence intensity over epidermis area. ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm.
Nheks, supplied by ATCC, used in various techniques. Bioz Stars score: 99/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/human+keratinocytes/Primary+Epidermal+Keratinocytes%3B+Normal%2C+Human%2C+Adult/pmc13084248-141-0-7
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primary epidermal keratinocytes normal  (ATCC)
99
ATCC primary epidermal keratinocytes normal
UA beneficial impact on human <t>keratinocytes</t> and reconstituted human epidermis (A) Mitochondrial respiration (basal and maximal) assessed as oxygen consumption rate (OCR) in human dermal keratinocytes after 72 h of differentiation from young donor treated with DMSO for 24 h or the indicated dose of UA. ∗ p < 0.05 and ∗∗∗ p < 0.001 after one-way ANOVA. Error bars represent mean ± SEM. (B) TOMM20 immunostaining of skin epidermis in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as antibody staining signal over imaging field. ∗ p < 0.05 and ∗∗∗∗ p < 0.0001 after unpaired t test one-way ANOVA. Error bars represent mean ± SEM. Scale bars, 50 μm. (C) Relative gene expression of PINK1 and PARK2 in reconstructed human epidermis (RHE). RHE tissues were moisturized for 24 h with or without 1% Mitopure, and relative expression levels of PINK1 and PARK2 were quantified. Statistical analysis was performed using one-way ANOVA (∗ p < 0.05; ∗∗ p < 0.01). Error bars represent mean ± SEM. (D) Interleukin 6 levels normalized to cell viability in keratinocytes. Keratinocytes were stimulated with a pro-inflammatory cytokine mix for 24 h then treated for an additional 24 h with either DMSO or 1 μM UA. IL-6 secretion was quantified and normalized to cell viability. Statistical analysis was performed using one-way ANOVA (∗∗∗∗ p < 0.0001). Error bars represent mean ± SEM. (E) p16 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as antibody staining signal over imaging field. ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm. (F) Ki67 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as number of Ki67 positive cells normalized over μm of dermal epidermal junction (count/μm) ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm. (G) Keratin 10 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as fluorescence intensity over epidermis area. ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm.
Primary Epidermal Keratinocytes Normal, supplied by ATCC, used in various techniques. Bioz Stars score: 99/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/human+keratinocytes/Primary+Epidermal+Keratinocytes%3B+Normal%2C+Human%2C+Neonatal+Foreskin/pm42285455-55-20-55
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primary epidermal keratinocytes normal - by Bioz Stars, 2026-10
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human keratinocytes hacat  (Procell Inc)
86
Procell Inc human keratinocytes hacat
UA beneficial impact on human <t>keratinocytes</t> and reconstituted human epidermis (A) Mitochondrial respiration (basal and maximal) assessed as oxygen consumption rate (OCR) in human dermal keratinocytes after 72 h of differentiation from young donor treated with DMSO for 24 h or the indicated dose of UA. ∗ p < 0.05 and ∗∗∗ p < 0.001 after one-way ANOVA. Error bars represent mean ± SEM. (B) TOMM20 immunostaining of skin epidermis in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as antibody staining signal over imaging field. ∗ p < 0.05 and ∗∗∗∗ p < 0.0001 after unpaired t test one-way ANOVA. Error bars represent mean ± SEM. Scale bars, 50 μm. (C) Relative gene expression of PINK1 and PARK2 in reconstructed human epidermis (RHE). RHE tissues were moisturized for 24 h with or without 1% Mitopure, and relative expression levels of PINK1 and PARK2 were quantified. Statistical analysis was performed using one-way ANOVA (∗ p < 0.05; ∗∗ p < 0.01). Error bars represent mean ± SEM. (D) Interleukin 6 levels normalized to cell viability in keratinocytes. Keratinocytes were stimulated with a pro-inflammatory cytokine mix for 24 h then treated for an additional 24 h with either DMSO or 1 μM UA. IL-6 secretion was quantified and normalized to cell viability. Statistical analysis was performed using one-way ANOVA (∗∗∗∗ p < 0.0001). Error bars represent mean ± SEM. (E) p16 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as antibody staining signal over imaging field. ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm. (F) Ki67 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as number of Ki67 positive cells normalized over μm of dermal epidermal junction (count/μm) ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm. (G) Keratin 10 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as fluorescence intensity over epidermis area. ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm.
Human Keratinocytes Hacat, supplied by Procell Inc, used in various techniques. Bioz Stars score: 86/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
https://www.bioz.com/product/human+keratinocytes/human+immortalized+keratinocytes/pm42274833-151-4-10
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Image Search Results


UA beneficial impact on human keratinocytes and reconstituted human epidermis (A) Mitochondrial respiration (basal and maximal) assessed as oxygen consumption rate (OCR) in human dermal keratinocytes after 72 h of differentiation from young donor treated with DMSO for 24 h or the indicated dose of UA. ∗ p < 0.05 and ∗∗∗ p < 0.001 after one-way ANOVA. Error bars represent mean ± SEM. (B) TOMM20 immunostaining of skin epidermis in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as antibody staining signal over imaging field. ∗ p < 0.05 and ∗∗∗∗ p < 0.0001 after unpaired t test one-way ANOVA. Error bars represent mean ± SEM. Scale bars, 50 μm. (C) Relative gene expression of PINK1 and PARK2 in reconstructed human epidermis (RHE). RHE tissues were moisturized for 24 h with or without 1% Mitopure, and relative expression levels of PINK1 and PARK2 were quantified. Statistical analysis was performed using one-way ANOVA (∗ p < 0.05; ∗∗ p < 0.01). Error bars represent mean ± SEM. (D) Interleukin 6 levels normalized to cell viability in keratinocytes. Keratinocytes were stimulated with a pro-inflammatory cytokine mix for 24 h then treated for an additional 24 h with either DMSO or 1 μM UA. IL-6 secretion was quantified and normalized to cell viability. Statistical analysis was performed using one-way ANOVA (∗∗∗∗ p < 0.0001). Error bars represent mean ± SEM. (E) p16 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as antibody staining signal over imaging field. ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm. (F) Ki67 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as number of Ki67 positive cells normalized over μm of dermal epidermal junction (count/μm) ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm. (G) Keratin 10 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as fluorescence intensity over epidermis area. ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm.

Journal: iScience

Article Title: Topical application of urolithin A activates mitophagy and enhances mitochondrial function to promote skin longevity

doi: 10.1016/j.isci.2026.117646

Figure Lengend Snippet: UA beneficial impact on human keratinocytes and reconstituted human epidermis (A) Mitochondrial respiration (basal and maximal) assessed as oxygen consumption rate (OCR) in human dermal keratinocytes after 72 h of differentiation from young donor treated with DMSO for 24 h or the indicated dose of UA. ∗ p < 0.05 and ∗∗∗ p < 0.001 after one-way ANOVA. Error bars represent mean ± SEM. (B) TOMM20 immunostaining of skin epidermis in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as antibody staining signal over imaging field. ∗ p < 0.05 and ∗∗∗∗ p < 0.0001 after unpaired t test one-way ANOVA. Error bars represent mean ± SEM. Scale bars, 50 μm. (C) Relative gene expression of PINK1 and PARK2 in reconstructed human epidermis (RHE). RHE tissues were moisturized for 24 h with or without 1% Mitopure, and relative expression levels of PINK1 and PARK2 were quantified. Statistical analysis was performed using one-way ANOVA (∗ p < 0.05; ∗∗ p < 0.01). Error bars represent mean ± SEM. (D) Interleukin 6 levels normalized to cell viability in keratinocytes. Keratinocytes were stimulated with a pro-inflammatory cytokine mix for 24 h then treated for an additional 24 h with either DMSO or 1 μM UA. IL-6 secretion was quantified and normalized to cell viability. Statistical analysis was performed using one-way ANOVA (∗∗∗∗ p < 0.0001). Error bars represent mean ± SEM. (E) p16 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as antibody staining signal over imaging field. ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm. (F) Ki67 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as number of Ki67 positive cells normalized over μm of dermal epidermal junction (count/μm) ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm. (G) Keratin 10 immunostaining in a human full-thickness skin model from an old donor treated with or without UA 1 μM for 25 days. Data expressed as fluorescence intensity over epidermis area. ∗∗∗∗ p < 0.0001 after unpaired t test. Error bars represent mean ± SEM. Scale bars, 50 μm.

Article Snippet: Human: Normal Human Epidermal Keratinocytes (NHEK) , PromoCell , Cat#C-12003; Lot#479Z011.1.

Techniques: Immunostaining, Staining, Imaging, Gene Expression, Expressing, Analysis, Fluorescence

Journal: iScience

Article Title: Topical application of urolithin A activates mitophagy and enhances mitochondrial function to promote skin longevity

doi: 10.1016/j.isci.2026.117646

Figure Lengend Snippet:

Article Snippet: Human: Normal Human Epidermal Keratinocytes (NHEK) , PromoCell , Cat#C-12003; Lot#479Z011.1.

Techniques: Binding Assay, Ex Vivo, Recombinant, Metals, Enzyme-linked Immunosorbent Assay, Reverse Transcription, Cell Viability Assay, Staining, DC Protein Assay, Gene Expression, Glass, Software, Imaging, Microscopy, Real-time Polymerase Chain Reaction