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Dermitzakis I, Kampitsi DD, Manthou ME, Evangelidis P, Vakirlis E, Meditskou S, Theotokis P. Ontogeny of Skin Stem Cells and Molecular Underpinnings. Curr Issues Mol Biol 2024; 46:8118-8147. [PMID: 39194698 DOI: 10.3390/cimb46080481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2024] [Revised: 07/21/2024] [Accepted: 07/25/2024] [Indexed: 08/29/2024] Open
Abstract
Skin stem cells (SCs) play a pivotal role in supporting tissue homeostasis. Several types of SCs are responsible for maintaining and regenerating skin tissue. These include bulge SCs and others residing in the interfollicular epidermis, infundibulum, isthmus, sebaceous glands, and sweat glands. The emergence of skin SCs commences during embryogenesis, where multipotent SCs arise from various precursor populations. These early events set the foundation for the diverse pool of SCs that will reside in the adult skin, ready to respond to tissue repair and regeneration demands. A network of molecular cues regulates skin SC behavior, balancing quiescence, self-renewal, and differentiation. The disruption of this delicate equilibrium can lead to SC exhaustion, impaired wound healing, and pathological conditions such as skin cancer. The present review explores the intricate mechanisms governing the development, activation, and differentiation of skin SCs, shedding light on the molecular signaling pathways that drive their fate decisions and skin homeostasis. Unraveling the complexities of these molecular drivers not only enhances our fundamental knowledge of skin biology but also holds promise for developing novel strategies to modulate skin SC fate for regenerative medicine applications, ultimately benefiting patients with skin disorders and injuries.
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Affiliation(s)
- Iasonas Dermitzakis
- Department of Histology-Embryology, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Despoina Dimitria Kampitsi
- Department of Histology-Embryology, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Maria Eleni Manthou
- Department of Histology-Embryology, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Paschalis Evangelidis
- Hematology Unit-Hemophilia Centre, 2nd Propedeutic Department of Internal Medicine, Hippocration Hospital, Aristotle University of Thessaloniki, 54642 Thessaloniki, Greece
| | - Efstratios Vakirlis
- First Department of Dermatology and Venereology, School of Medicine, Aristotle University of Thessaloniki, 54643 Thessaloniki, Greece
| | - Soultana Meditskou
- Department of Histology-Embryology, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
| | - Paschalis Theotokis
- Department of Histology-Embryology, School of Medicine, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
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Zhang H, Yao J, Jiang Q, Shi Y, Ge W, Xu X. Engineered Exosomes Biopotentiated Hydrogel Promote Hair Follicle Growth via Reprogramming the Perifollicular Microenvironment. Pharmaceutics 2024; 16:935. [PMID: 39065633 PMCID: PMC11279965 DOI: 10.3390/pharmaceutics16070935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Revised: 07/07/2024] [Accepted: 07/11/2024] [Indexed: 07/28/2024] Open
Abstract
Androgenetic alopecia (AGA) is a highly prevalent condition in contemporary society. The conventional treatment of minoxidil tincture is hindered by issues such as skin irritation caused by ethanol, non-specific accumulation in hair follicles, and short retention due to its liquid form. Herein, we have developed a novel minoxidil-incorporated engineered exosomes biopotentiated hydrogel (Gel@MNs) that has the capability to modulate the perifollicular microenvironment for the treatment of AGA. Leveraging the exceptional skin penetration abilities of flexible liposomes and the targeting properties of exosomes, the encapsulated minoxidil can be effectively delivered to the hair follicles. In comparison to free minoxidil, Gel@MNs demonstrated accelerated hair regeneration in an AGA mouse model without causing significant skin irritation. This was evidenced by an increase in both the number and size of hair follicles within the dermal layer, enhanced capillary formation surrounding the follicles, and the regulation of the transition of hair follicle cells from the telogen phase to the anagen growth phase. Therefore, this safe and microenvironment-modifying hybrid exosome-embedded hydrogel shows promising potential for clinical treatment of AGA.
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Affiliation(s)
- Hairui Zhang
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China; (H.Z.); (J.Y.)
| | - Jiali Yao
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China; (H.Z.); (J.Y.)
| | - Qianyang Jiang
- Key Laboratory of Artificial Organs and Computational Medicine in Zhejiang Province, Shulan International Medical College, Zhejiang Shuren University, Hangzhou 310015, China; (Q.J.); (Y.S.)
| | - Yurou Shi
- Key Laboratory of Artificial Organs and Computational Medicine in Zhejiang Province, Shulan International Medical College, Zhejiang Shuren University, Hangzhou 310015, China; (Q.J.); (Y.S.)
| | - Weihong Ge
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China; (H.Z.); (J.Y.)
| | - Xiaoling Xu
- Key Laboratory of Artificial Organs and Computational Medicine in Zhejiang Province, Shulan International Medical College, Zhejiang Shuren University, Hangzhou 310015, China; (Q.J.); (Y.S.)
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Otake S, Saito K, Chiba Y, Yamada A, Fukumoto S. S100a6 knockdown promotes the differentiation of dental epithelial cells toward the epidermal lineage instead of the odontogenic lineage. FASEB J 2024; 38:e23608. [PMID: 38593315 DOI: 10.1096/fj.202302412rr] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 03/25/2024] [Accepted: 03/29/2024] [Indexed: 04/11/2024]
Abstract
Tooth development is a complex process involving various signaling pathways and genes. Recent findings suggest that ion channels and transporters, including the S100 family of calcium-binding proteins, may be involved in tooth formation. However, our knowledge in this regard is limited. Therefore, this study aimed to investigate the expression of S100 family members and their functions during tooth formation. Tooth germs were extracted from the embryonic and post-natal mice and the expression of S100a6 was examined. Additionally, the effects of S100a6 knockdown and calcium treatment on S100a6 expression and the proliferation of SF2 cells were examined. Microarrays and single-cell RNA-sequencing indicated that S100a6 was highly expressed in ameloblasts. Immunostaining of mouse tooth germs showed that S100a6 was expressed in ameloblasts but not in the undifferentiated dental epithelium. Additionally, S100a6 was localized to the calcification-forming side in enamel-forming ameloblasts. Moreover, siRNA-mediated S100a6 knockdown in ameloblasts reduced intracellular calcium concentration and the expression of ameloblast marker genes, indicating that S100a6 is associated with ameloblast differentiation. Furthermore, S100a6 knockdown inhibited the ERK/PI3K signaling pathway, suppressed ameloblast proliferation, and promoted the differentiation of the dental epithelium toward epidermal lineage. Conclusively, S100a6 knockdown in the dental epithelium suppresses cell proliferation via calcium and intracellular signaling and promotes differentiation of the dental epithelium toward the epidermal lineage.
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Grants
- 23H03109 Ministry of Education, Culture, Sports, Science and Technology (MEXT)
- 21J21873 Ministry of Education, Culture, Sports, Science and Technology (MEXT)
- 22H03296 Ministry of Education, Culture, Sports, Science and Technology (MEXT)
- 22H00488 Ministry of Education, Culture, Sports, Science and Technology (MEXT)
- 20K20612 Ministry of Education, Culture, Sports, Science and Technology (MEXT)
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Affiliation(s)
- Shinji Otake
- Division of Pediatric Dentistry, Department of Community Social Dentistry, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - Kan Saito
- Division of Pediatric Dentistry, Department of Community Social Dentistry, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - Yuta Chiba
- Division of Pediatric Dentistry, Department of Community Social Dentistry, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - Aya Yamada
- Division of Pediatric Dentistry, Department of Community Social Dentistry, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - Satoshi Fukumoto
- Division of Pediatric Dentistry, Department of Community Social Dentistry, Tohoku University Graduate School of Dentistry, Sendai, Japan
- Section of Pediatric Dentistry, Division of Oral Health, Growth and Development, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
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He J, Wei C, Huang X, Zhang G, Mao J, Li X, Yang C, Zhang W, Tian K, Liu G. MiR-23b and miR-133 Cotarget TGFβ2/NOTCH1 in Sheep Dermal Fibroblasts, Affecting Hair Follicle Development. Cells 2024; 13:557. [PMID: 38534401 DOI: 10.3390/cells13060557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2024] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 03/28/2024] Open
Abstract
Wool is produced and controlled by hair follicles (HFs). However, little is known about the mechanisms involved in HF development and regulation. Sheep dermal fibroblasts (SDFs) play a key role in the initial stage of HF development. Analyzing the molecular mechanism that regulates early HF development in superfine wool sheep is of great importance for better understanding the HF morphogenesis process and for the breeding of fine wool sheep. Here, we show that two microRNAs (miRNAs) affect the development of HFs by targeting two genes that are expressed by SDFs. Meanwhile, the overexpression and inhibition of oar-miR-23b and oar-miR-133 in SDFs cells and cell proliferation, apoptosis, and migration were further detected using a CCK-8 assay, an Annexin V-FITC assay, a Transwell assay, and flow cytometry. We found that oar-miR-23b, oar-miR-133, and their cotarget genes TGFβ2 and NOTCH1 were differentially expressed during the six stages of HF development in superfine wool sheep. Oar-miR-23b and oar-miR-133 inhibited the proliferation and migration of SDFs and promoted the apoptosis of SDFs through TGFβ2 and NOTCH1. oar-miR-23b and oar-miR-133 inhibited the proliferation and migration of SDFs by jointly targeting TGFβ2 and NOTCH1, thereby inhibiting the development of superfine wool HFs. Our research provides a molecular marker that can be used to guide the breeding of ultrafine wool sheep.
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Affiliation(s)
- Junmin He
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan 250100, China
- Key Laboratory of Livestock and Poultry Multi-Omics of MARA, Jinan 250100, China
| | - Chen Wei
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan 250100, China
- Key Laboratory of Livestock and Poultry Multi-Omics of MARA, Jinan 250100, China
| | - Xixia Huang
- College of Animal Science, Xinjiang Agricultural University, Urumqi 830052, China
| | - Guoping Zhang
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan 250100, China
- Key Laboratory of Livestock and Poultry Multi-Omics of MARA, Jinan 250100, China
| | - Jingyi Mao
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan 250100, China
| | - Xue Li
- College of Animal Science, Xinjiang Agricultural University, Urumqi 830052, China
| | - Cunming Yang
- College of Animal Science, Xinjiang Agricultural University, Urumqi 830052, China
| | - Wenjing Zhang
- College of Animal Science, Xinjiang Agricultural University, Urumqi 830052, China
| | - Kechuan Tian
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan 250100, China
- Key Laboratory of Livestock and Poultry Multi-Omics of MARA, Jinan 250100, China
| | - Guifen Liu
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan 250100, China
- Key Laboratory of Livestock and Poultry Multi-Omics of MARA, Jinan 250100, China
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Saadawy SF, El-Ghareeb MI, Talaat A. MicroRNA-21 and MicroRNA-125b expression in skin tissue and serum as predictive biomarkers for psoriasis. Int J Dermatol 2024; 63:322-329. [PMID: 38131475 DOI: 10.1111/ijd.16962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 10/19/2023] [Accepted: 11/28/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND/OBJECTIVE Psoriasis is a chronic, inflammatory, and hyperproliferative skin disease. We have investigated the role of miR-21 and miR-125b in the development of psoriasis and atopic eczema and their relation with the severity of the diseases. METHODS Participants included 40 psoriasis patients, 40 healthy controls, and 40 atopic eczema patients as a positive control group. In addition, analysis of mRNA expression of miR-125b and miR-21 was carried out utilizing quantitative real-time reverse transcription polymerase chain reaction (RT-PCR) in serum samples and skin tissue. RESULTS Our results have demonstrated that miR-21 was significantly overexpressed in the psoriatic and atopic eczema skin tissue and serum samples compared to controls, whereas miR-125b was significantly down-expressed in psoriatic and atopic eczema skin tissues and serum samples. There was a statistically significant positive correlation between the psoriasis area and severity index (PASI) score and miR-21 among the studied groups in both serum and tissue samples. In contrast, there was a statistically significant negative association between the miR-125b and PASI score. On the other hand, there was no significant relation between the extent of body surface area (BSA), intensity, and subjective symptoms using visual analog scale (VAS) of atopic eczema disease and miRNA-21 and miRNA-125b in both tissue and serum. CONCLUSION In conclusion, miR-21 gene expression was significantly increased in psoriatic and atopic eczema skin samples and serum samples, whereas miR-125b was statistically lowered in psoriatic and atopic eczema patient samples. The miR-21 and miR-125b expression level has a possible predictive value as a marker for psoriasis severity but not for atopic eczema severity.
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Affiliation(s)
- Sara F Saadawy
- Medical Biochemistry Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Mohamed I El-Ghareeb
- Dermatology and Venereology Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Aliaa Talaat
- Medical Biochemistry Department, Faculty of Medicine, Zagazig University, Zagazig, Egypt
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Qi WH, Liu T, Zheng CL, Zhao Q, Zhou N, Zhao GJ. Identification of Potential miRNA-mRNA Regulatory Network Associated with Growth and Development of Hair Follicles in Forest Musk Deer. Animals (Basel) 2023; 13:3869. [PMID: 38136906 PMCID: PMC10740511 DOI: 10.3390/ani13243869] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 12/05/2023] [Accepted: 12/13/2023] [Indexed: 12/24/2023] Open
Abstract
In this study, sRNA libraries and mRNA libraries of HFs of FMD were constructed and sequenced using an Illumina HiSeq 2500, and the expression profiles of miRNAs and genes in the HFs of FMD were obtained at the anagen and catagen stages. In total, 565 differentially expressed unigenes (DEGs) were identified, 90 of which were upregulated and 475 of which were downregulated. In the BP category of GO enrichment, the DEGs were enriched in the processes related to HF development and differentiation, including the hair cycle regulation and processes, HF development, skin epidermis development, regulation of HF development, skin development, the Wnt signaling pathway, and the BMP signaling pathway. Through KEGG analysis it was found that DEGs were significantly enriched in pathways associated with HF development and growth. A total of 186 differentially expressed miRNAs (DEmiRNAs) were screened (p < 0.05) in the HFs of FMD at the anagen stage vs. the catagen stage, 33 of which were upregulated and 153 of which were downregulated. Through DEmiRNA-mRNA association analysis, we found DEmiRNAs and target genes that mainly play regulatory roles in HF development and growth. The enrichment analysis of DEmiRNA target genes revealed similarities with the enrichment results of DEGs associated with HF development. Notably, both sets of genes were enriched in key pathways such as the Notch signaling pathway, melanogenesis, the cAMP signaling pathway, and cGMP-PKG. To validate our findings, we selected 11 DEGs and 11 DEmiRNAs for experimental verification using RT-qPCR. The results of the experimental validation were consistent with the RNA-Seq results.
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Affiliation(s)
- Wen-Hua Qi
- College of Biological and Food Engineering, Chongqing Three Gorges University, Chongqing 404100, China; (W.-H.Q.); (T.L.); (Q.Z.)
| | - Ting Liu
- College of Biological and Food Engineering, Chongqing Three Gorges University, Chongqing 404100, China; (W.-H.Q.); (T.L.); (Q.Z.)
| | - Cheng-Li Zheng
- Sichuan Institute of Musk Deer Breeding, Chengdu 611830, China;
| | - Qi Zhao
- College of Biological and Food Engineering, Chongqing Three Gorges University, Chongqing 404100, China; (W.-H.Q.); (T.L.); (Q.Z.)
| | - Nong Zhou
- College of Biological and Food Engineering, Chongqing Three Gorges University, Chongqing 404100, China; (W.-H.Q.); (T.L.); (Q.Z.)
| | - Gui-Jun Zhao
- Chongqing Institute of Medicinal Plant Cultivation, Chongqing 408435, China
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Nedachi T, Bonod C, Rorteau J, Chinoune W, Ishiuchi Y, Hughes S, Gillet B, Bechetoille N, Sigaudo-Roussel D, Lamartine J. Chronological aging impacts abundance, function and microRNA content of extracellular vesicles produced by human epidermal keratinocytes. Aging (Albany NY) 2023; 15:12702-12722. [PMID: 38015712 DOI: 10.18632/aging.205245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Accepted: 10/15/2023] [Indexed: 11/30/2023]
Abstract
The disturbance of intercellular communication is one of the hallmarks of aging. The goal of this study is to clarify the impact of chronological aging on extracellular vesicles (EVs), a key mode of communication in mammalian tissues. We focused on epidermal keratinocytes, the main cells of the outer protective layer of the skin which is strongly impaired in the skin of elderly. EVs were purified from conditioned medium of primary keratinocytes isolated from infant or aged adult skin. A significant increase of the relative number of EVs released from aged keratinocytes was observed whereas their size distribution was not modified. By small RNA sequencing, we described a specific microRNA (miRNA) signature of aged EVs with an increase abundance of miR-30a, a key regulator of barrier function in human epidermis. EVs from aged keratinocytes were found to be able to reduce the proliferation of young keratinocytes, to impact their organogenesis properties in a reconstructed epidermis model and to slow down the early steps of skin wound healing in mice, three features observed in aged epidermis. This work reveals that intercellular communication mediated by EVs is modulated during aging process in keratinocytes and might be involved in the functional defects observed in aged skin.
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Affiliation(s)
- Taku Nedachi
- Skin Functional Integrity group, Laboratory for Tissue Biology and Therapeutics Engineering (LBTI) CNRS UMR5305, University of Lyon, Lyon, France
- Department of Life Science, Toyo University, Gunma, Japan
| | - Christelle Bonod
- Skin Functional Integrity group, Laboratory for Tissue Biology and Therapeutics Engineering (LBTI) CNRS UMR5305, University of Lyon, Lyon, France
| | - Julie Rorteau
- Skin Functional Integrity group, Laboratory for Tissue Biology and Therapeutics Engineering (LBTI) CNRS UMR5305, University of Lyon, Lyon, France
| | - Wafae Chinoune
- Skin Functional Integrity group, Laboratory for Tissue Biology and Therapeutics Engineering (LBTI) CNRS UMR5305, University of Lyon, Lyon, France
| | - Yuri Ishiuchi
- Skin Functional Integrity group, Laboratory for Tissue Biology and Therapeutics Engineering (LBTI) CNRS UMR5305, University of Lyon, Lyon, France
- Department of Life Science, Toyo University, Gunma, Japan
| | - Sandrine Hughes
- IGFL CNRS UMR5242, ENS de Lyon, University of Lyon, Lyon, France
| | - Benjamin Gillet
- IGFL CNRS UMR5242, ENS de Lyon, University of Lyon, Lyon, France
| | - Nicolas Bechetoille
- Skin Functional Integrity group, Laboratory for Tissue Biology and Therapeutics Engineering (LBTI) CNRS UMR5305, University of Lyon, Lyon, France
- Gattefossé SAS, St Priest, France
| | - Dominique Sigaudo-Roussel
- Skin Functional Integrity group, Laboratory for Tissue Biology and Therapeutics Engineering (LBTI) CNRS UMR5305, University of Lyon, Lyon, France
| | - Jérôme Lamartine
- Skin Functional Integrity group, Laboratory for Tissue Biology and Therapeutics Engineering (LBTI) CNRS UMR5305, University of Lyon, Lyon, France
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Wu C, Xu Q, Li J, Qin C, Tulafu H, Liu W, Lu Q, Zheng W, Fu X. Regulation of cashmere fineness traits by noncoding RNA in Jiangnan cashmere goats. BMC Genomics 2023; 24:604. [PMID: 37821834 PMCID: PMC10566132 DOI: 10.1186/s12864-023-09531-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 07/24/2023] [Indexed: 10/13/2023] Open
Abstract
BACKGROUND Cashmere has long been used as the raw material for wool textiles. The diameter of the cashmere fibre determines its quality and economic value. However, the regulatory role of noncoding RNAs (ncRNAs) in cashmere fineness remains unclear, especially regarding the interaction between ncRNAs and coding RNAs. RESULTS Transcriptome sequencing was used to identify the expression profiles of long noncoding RNAs (lncRNAs), circular RNAs (circRNAs) and microRNAs (miRNAs) in the skin tissues of Jiangnan cashmere goats with different cashmere fineness levels. Integration analysis of ncRNA and coding RNA was performed in combination with previous research results. The results showed that 16,437 lncRNAs, 2234 circRNAs, and 1322 miRNAs were identified in 8 skin samples of cashmere goats. A total of 403 differentially expressed (DE) lncRNAs, 62 DE circRNAs and 30 DE miRNAs were identified in the skin tissues of the fine groups (Fe) and coarse groups (Ce). We predicted the target gene of DE lncRNA, the target gene of DE miRNA and the host gene of DE circRNA. Based on functional annotation and enrichment analysis of target genes, we found that DE lncRNAs could be involved in regulating the fineness traits of cashmere. The most potential lncRNAs were MSTRG.42054.1, MSTRG.18602.3, and MSTRG.2199.13. CONCLUSIONS The data from this study enriched the cashmere goat noncoding RNA database and helped to supplement the annotation of the goat genome. The results provided a new direction for the breeding of cashmere characters.
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Affiliation(s)
- Cuiling Wu
- School of Life Sciences, Xinjiang Normal University, Urumqi, China
| | - Qin Xu
- Key Laboratory of Special Environmental Medicine, Xinjiang Military General Hospital, Urumqi, China
| | - Jianying Li
- Key Laboratory of Special Environmental Medicine, Xinjiang Military General Hospital, Urumqi, China
| | - Chongkai Qin
- Aksu Prefecture Animal Husbandry Technology Extension Center, Aksu, China
| | - Hanikezi Tulafu
- Key Laboratory of Genetics Breeding and Reproduction of Xinjiang Wool-sheep & Cashmere-goat (XJYS1105), Institute of Animal Science, Xinjiang Academy of Animal Sciences, Urumqi, China
| | - Wenna Liu
- Key Laboratory of Genetics Breeding and Reproduction of Xinjiang Wool-sheep & Cashmere-goat (XJYS1105), Institute of Animal Science, Xinjiang Academy of Animal Sciences, Urumqi, China
- College of Animal Science, Xinjiang Agricultural University, Urumqi, China
| | - Qingwei Lu
- Key Laboratory of Genetics Breeding and Reproduction of Xinjiang Wool-sheep & Cashmere-goat (XJYS1105), Institute of Animal Science, Xinjiang Academy of Animal Sciences, Urumqi, China
- College of Animal Science, Xinjiang Agricultural University, Urumqi, China
| | - Wenxin Zheng
- Xinjiang Uygur Autonomous Region Breeding sheep and wool Cashmere Quality Safety Supervision and Inspection Center, Institute of Animal Husbandry Quality Standard, Xinjiang Academy of Animal Sciences, Urumqi, Xinjiang, China.
| | - Xuefeng Fu
- Key Laboratory of Genetics Breeding and Reproduction of Xinjiang Wool-sheep & Cashmere-goat (XJYS1105), Institute of Animal Science, Xinjiang Academy of Animal Sciences, Urumqi, China.
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Pielok A, Kępska M, Steczkiewicz Z, Grobosz S, Bourebaba L, Marycz K. Equine Hoof Progenitor Cells Display Increased Mitochondrial Metabolism and Adaptive Potential to a Highly Pro-Inflammatory Microenvironment. Int J Mol Sci 2023; 24:11446. [PMID: 37511204 PMCID: PMC10379971 DOI: 10.3390/ijms241411446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/05/2023] [Accepted: 07/09/2023] [Indexed: 07/30/2023] Open
Abstract
Medicinal signaling cells (MSC) exhibit distinct molecular signatures and biological abilities, depending on the type of tissue they originate from. Recently, we isolated and described a new population of stem cells residing in the coronary corium, equine hoof progenitor cells (HPCs), which could be a new promising cell pool for the treatment of laminitis. Therefore, this study aimed to compare native populations of HPCs to well-established adipose-derived stem cells (ASCs) in standard culture conditions and in a pro-inflammatory milieu to mimic a laminitis condition. ASCs and HPCs were either cultured in standard conditions or subjected to priming with a cytokines cocktail mixture. The cells were harvested and analyzed for expression of key markers for phenotype, mitochondrial metabolism, oxidative stress, apoptosis, and immunomodulation using RT-qPCR. The morphology and migration were assessed based on fluorescent staining. Microcapillary cytometry analyses were performed to assess the distribution in the cell cycle, mitochondrial membrane potential, and oxidative stress. Native HPCs exhibited a similar morphology to ASCs, but a different phenotype. The HPCs possessed lower migration capacity and distinct distribution across cell cycle phases. Native HPCs were characterized by different mitochondrial dynamics and oxidative stress levels. Under standard culture conditions, HPCs displayed different expression patterns of apoptotic and immunomodulatory markers than ASCs, as well as distinct miRNA expression. Interestingly, after priming with the cytokines cocktail mixture, HPCs exhibited different mitochondrial dynamics than ASCs; however, the apoptosis and immunomodulatory marker expression was similar in both populations. Native ASCs and HPCs exhibited different baseline expressions of markers involved in mitochondrial dynamics, the oxidative stress response, apoptosis and inflammation. When exposed to a pro-inflammatory microenvironment, ASCs and HPCs differed in the expression of mitochondrial condition markers and chosen miRNAs.
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Affiliation(s)
- Ariadna Pielok
- Department of Experimental Biology, Faculty of Biology and Animal Science, Wroclaw University of Environmental and Life Sciences, Norwida 27B, 50-375 Wroclaw, Poland
| | - Martyna Kępska
- Department of Experimental Biology, Faculty of Biology and Animal Science, Wroclaw University of Environmental and Life Sciences, Norwida 27B, 50-375 Wroclaw, Poland
| | - Zofia Steczkiewicz
- Department of Experimental Biology, Faculty of Biology and Animal Science, Wroclaw University of Environmental and Life Sciences, Norwida 27B, 50-375 Wroclaw, Poland
| | - Sylwia Grobosz
- Department of Experimental Biology, Faculty of Biology and Animal Science, Wroclaw University of Environmental and Life Sciences, Norwida 27B, 50-375 Wroclaw, Poland
| | - Lynda Bourebaba
- Department of Experimental Biology, Faculty of Biology and Animal Science, Wroclaw University of Environmental and Life Sciences, Norwida 27B, 50-375 Wroclaw, Poland
| | - Krzysztof Marycz
- Department of Experimental Biology, Faculty of Biology and Animal Science, Wroclaw University of Environmental and Life Sciences, Norwida 27B, 50-375 Wroclaw, Poland
- International Institute of Translational Medicine, Jesionowa 11, Malin, 55-114 Wisznia Mała, Poland
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10
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MicroRNA-148a Controls Epidermal and Hair Follicle Stem/Progenitor Cells by Modulating the Activities of ROCK1 and ELF5. J Invest Dermatol 2023; 143:480-491.e5. [PMID: 36116511 DOI: 10.1016/j.jid.2022.06.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 05/09/2022] [Accepted: 06/16/2022] [Indexed: 11/22/2022]
Abstract
Skin and hair development is regulated by complex programs of gene activation and silencing and microRNA-dependent modulation of gene expression to maintain normal skin and hair follicle development, homeostasis, and cycling. In this study, we show that miR-148a, through its gene targets, plays an important role in regulating skin homeostasis and hair follicle cycling. RNA and protein analysis of miR-148a and its gene targets were analyzed using a combination of in vitro and in vivo experiments. We show that the expression of miR-148a markedly increases during telogen (bulge and hair germ stem cell compartments). Administration of antisense miR-148a inhibitor into mouse skin during the telogen phases of the postnatal hair cycle results in accelerated anagen development and altered stem cell activity in the skin. We also show that miR-148a can regulate colony-forming abilities of hair follicle bulge stem cells as well as control keratinocyte proliferation/differentiation processes. RNA and protein analysis revealed that miR-148a may control these processes by regulating the expression of Rock1 and Elf5 in vitro and in vivo. These data provide an important foundation for further analyses of miR-148a as a crucial regulator of these genes target in the skin and hair follicles and its importance in maintaining stem/progenitor cell functions during normal tissue homeostasis and regeneration.
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Qiao L, Gu Y, Guo S, Li S, Wang J, Hao Z, Luo Y, Liu X, Li S, Zhao F, Li M. The Identification and Characteristics of miRNAs Related to Cashmere Fiber Traits in Skin Tissue of Cashmere Goats. Genes (Basel) 2023; 14:473. [PMID: 36833400 PMCID: PMC9957446 DOI: 10.3390/genes14020473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 01/31/2023] [Accepted: 02/09/2023] [Indexed: 02/15/2023] Open
Abstract
microRNAs (miRNAs) are involved in the regulation of biological phenomena by down-regulating the expression of mRNAs. In this study, Liaoning cashmere (LC) goats (n = 6) and Ziwuling black (ZB) goats (n = 6) with different cashmere fiber production performances were selected. We supposed that miRNAs are responsible for the cashmere fiber trait differences. To test the hypothesis, the expression profiles of miRNAs from the skin tissue of the two caprine breeds were compared using small RNA sequencing (RNA-seq). A total of 1293 miRNAs were expressed in the caprine skin samples, including 399 known caprine miRNAs, 691 known species-conserved miRNAs, and 203 novel miRNAs. Compared with ZB goats, 112 up-regulated miRNAs, and 32 down-regulated miRNAs were found in LC goats. The target genes of the differentially expressed miRNAs were remarkably concentrated on some terms and pathways associated with cashmere fiber performance, including binding, cell, cellular protein modification process, and Wnt, Notch, and MAPK signaling pathways. The miRNA-mRNA interaction network found that 14 miRNAs selected may contribute to cashmere fiber traits regulation by targeting functional genes associated with hair follicle activities. The results have reinforced others leading to a solid foundation for further investigation of the influences of individual miRNAs on cashmere fiber traits in cashmere goats.
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Affiliation(s)
| | | | | | | | - Jiqing Wang
- Gansu Key Laboratory of Herbivorous Animal Biotechnology, College of Animal Science and Technology, Gansu Agricultural University, Lanzhou 730070, China
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Wang M, Dai H, Sheng S, Liu Y, Zhang S, Bai W, Xue H. Discovery and Functional Analysis of Secondary Hair Follicle miRNAs during Annual Cashmere Growth. Int J Mol Sci 2023; 24:ijms24021063. [PMID: 36674578 PMCID: PMC9864137 DOI: 10.3390/ijms24021063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/02/2023] [Accepted: 01/03/2023] [Indexed: 01/09/2023] Open
Abstract
Secondary hair follicles (SHFs) produce the thermoregulatory cashmere of goats. MicroRNAs (miRNAs) play indispensable roles in hair follicle formation and growth. However, most studies examining miRNAs related to cashmere have been performed on goat skin. It remains unclear which miRNAs are highly expressed in SHFs or how miRNAs affect cashmere growth. In the present study, we isolated the SHFs under a dissecting microscope and analyzed the miRNA signatures during annual cashmere growth. Small-RNA sequencing followed by genome-wide expression analysis revealed that early anagen is a crucial phase for miRNA regulation of the cashmere growth, as revealed by two predominant groups of miRNAs. Although they exhibited opposite expression patterns, both groups demonstrated sharp changes of expression when in transit from early anagen to mid-anagen. In addition, we identified 96 miRNA signatures that were differentially expressed between different phases among 376 miRNAs. Functional analysis of the predicted target genes of highly expressed or differentially expressed miRNAs indicated that these miRNAs were involved in signal pathways associated with SHF development, regeneration, and regression. Furthermore, miR-143-3p was preferentially expressed in SHFs and Itga6 was identified as one of targets. The dual-luciferase and in situ hybridization assay demonstrated that miR-143-3p directly repressed the expression of Itga6, suggesting a possible novel role for miR-143-3p in cashmere growth.
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Comparative Analysis of mRNA and miRNA Expression between Dermal Papilla Cells and Hair Matrix Cells of Hair Follicles in Yak. Cells 2022; 11:cells11243985. [PMID: 36552749 PMCID: PMC9776824 DOI: 10.3390/cells11243985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Revised: 12/03/2022] [Accepted: 12/06/2022] [Indexed: 12/14/2022] Open
Abstract
The interaction between the dermal papilla cells (DPCs) and epidermal hair matrix cells (HMCs) of hair follicles (HFs) is crucial for the growth and development of HFs, but the molecular mechanism is complex and remains unclear. MicroRNAs (miRNAs) are the key signaling molecules for cellular communication. In this study, the DPCs and HMCs of yak were isolated and cultured, and the differentially expressed mRNA and miRNA were characterized to analyze the molecular basis of the interaction between DPCs and HMCs during hair follicle (HF) development in yak. The mRNA differential expression and functional enrichment analysis revealed that there were significant differences between DPCs and HMCs, and they showed the molecular functional characteristics of dermal cells and epidermal cells, respectively. Multiple KEGG pathways related to HF development were enriched in the highly expressed genes in DPCs, while the pathways associated with microbiota and immunity were significantly enriched in the highly expressed genes in HMCs. By combining analysis with our previous 10× genomics single-cell transcriptome data, 39 marker genes of DPCs of yak were identified. A total of 123 relatively specifically expressed miRNAs were screened; among these, the miRNAs associated with HF development such as miR-143, miR-214, miR-125b, miR-31, and miR-200 were presented. In conclusion, the large changes in yak DPCs and HMCs for both mRNA and miRNA expression were revealed, and numerous specifically expressed mRNAs and miRNAs in DPCs or HMCs were identified, which may contribute to the interaction and cellular communication between DPCs and HMCs during HF development in yak.
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He J, Huang X, Zhao B, Liu G, Tian Y, Zhang G, Wei C, Mao J, Tian K. Integrated analysis of miRNAs and mRNA profiling reveals the potential roles of miRNAs in sheep hair follicle development. BMC Genomics 2022; 23:722. [PMID: 36273119 PMCID: PMC9588206 DOI: 10.1186/s12864-022-08954-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 10/17/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Merino sheep exhibit high wool production and excellent wool quality. The fleece of Merino sheep is predominantly composed of wool fibers grown from hair follicles (HFs). The HF is a complex biological system involved in a dynamic process governed by gene regulation, and gene expression is regulated by microRNAs (miRNAs). miRNA inhibits posttranscriptional gene expression by specifically binding to target messenger RNA (mRNA) and plays an important role in regulating gene expression, the cell cycle and biological development sequences. The purpose of this study was to examine mRNA and miRNA binding to identify key miRNAs and target genes related to HF development. This will provide new and important insights into fundamental mechanisms that regulate cellular activity and cell fate decisions within and outside of the skin. RESULTS We analyzed miRNA data in skin tissues collected from 18 Merino sheep on four embryonic days (E65, E85, E105 and E135) and two postnatal days (D7 and D30) and identified 87 differentially expressed miRNAs (DE-miRNAs). These six stages were further divided into two longer developmental stages based on heatmap cluster analysis, and the results showed that DE-mRNAs in Stage A were closely related to HF morphogenesis. A coanalysis of Stage A DE-mRNAs and DE-miRNAs revealed that 9 DE-miRNAs and 17 DE-mRNAs presented targeting relationships in Stage A. We found that miR-23b and miR-133 could target and regulate ACVR1B and WNT10A. In dermal fibroblasts, the overexpression of miR-133 significantly reduced the mRNA and protein expression levels of ACVR1B. The overexpression of miR-23b significantly reduced the mRNA and protein expression levels of WNT10A. CONCLUSION This study provides a new reference for understanding the molecular basis of HF development and lays a foundation for further improving sheep HF breeding. miRNAs and target genes related to hair follicular development were found, which provided a theoretical basis for molecular breeding for the culture of fine-wool sheep.
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Affiliation(s)
- Junmin He
- Key Laboratory of Livestock and Poultry Multi-Omics of MARA, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Xixia Huang
- College of Animal Science, Xinjiang Agricultural University, Urumqi, China
| | - Bingru Zhao
- College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Guifen Liu
- Key Laboratory of Livestock and Poultry Multi-Omics of MARA, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Yuezhen Tian
- Institute of Animal Science, Xinjiang Academy of Animal Sciences, Urumqi, China
| | - Guoping Zhang
- Key Laboratory of Livestock and Poultry Multi-Omics of MARA, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Chen Wei
- Key Laboratory of Livestock and Poultry Multi-Omics of MARA, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Jingyi Mao
- College of Animal Science, Xinjiang Agricultural University, Urumqi, China
| | - Kechuan Tian
- Key Laboratory of Livestock and Poultry Multi-Omics of MARA, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, China.
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The accumulation of miR-125b-5p is indispensable for efficient erythroblast enucleation. Cell Death Dis 2022; 13:886. [PMID: 36270980 PMCID: PMC9586935 DOI: 10.1038/s41419-022-05331-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 09/29/2022] [Accepted: 10/07/2022] [Indexed: 11/16/2022]
Abstract
Erythroblast enucleation is a precisely regulated but not clearly understood process. Polycythemia shows pathological erythroblast enucleation, and we discovered a low miR-125b-5p level in terminal erythroblasts of patients with polycythemia vera (PV) compared to those of healthy controls. Exogenous upregulation of miR-125b-5p levels restored the enucleation rate to normal levels. Direct downregulation of miR-125b-5p in mouse erythroblasts simulated the enucleation issue found in patients with PV, and miR-125b-5p accumulation was found in enucleating erythroblasts, collectively suggesting the importance of miR-125b-5p accumulation for erythroblast enucleation. To elucidate the role of miR-125b-5p in enucleation, gain- and loss-of-function studies were performed. Overexpression of miR-125b-5p improved the enucleation of erythroleukemia cells and primary erythroblasts. Infused erythroblasts with higher levels of miR-125b-5p also exhibited accelerated enucleation. In contrast, miR-125b-5p inhibitors significantly suppressed erythrocyte enucleation. Intracellular imaging revealed that in addition to cytoskeletal assembly and nuclear condensation, miR-125b-5p overexpression resulted in mitochondrial reduction and depolarization. Real-time PCR, western blot analysis, luciferase reporter assays, small molecule inhibitor supplementation and gene rescue assays revealed that Bcl-2, as a direct target of miR-125b-5p, was one of the key mediators of miR-125b-5p during enucleation. Following suppression of Bcl-2, the activation of caspase-3 and subsequent activation of ROCK-1 resulted in cytoskeletal rearrangement and enucleation. In conclusion, this study is the first to reveal the pivotal role of miR-125b-5p in erythroblast enucleation.
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Deng L, Li X, Ren X, Lai S, Zhu Y, Li J, Huang H, Mu Y. A grooved porous hydroxyapatite scaffold induces osteogenic differentiation via regulation of PKA activity by upregulating miR-129-5p expression. J Periodontal Res 2022; 57:1238-1255. [PMID: 36222334 DOI: 10.1111/jre.13060] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 09/15/2022] [Accepted: 09/27/2022] [Indexed: 12/01/2022]
Abstract
BACKGROUND AND OBJECTIVE Hydroxyapatite scaffolds with different morphologies have been widely used in bone tissue engineering. Moreover, microRNAs (miRNAs) have been proven to be extensively involved in regulating bone regeneration. We developed grooved porous hydroxyapatite (HAG) scaffolds with good osteogenic efficiency. However, little is known about the role of miRNAs in HAG scaffold-mediated promotion of bone regeneration. The objective of this study was to reveal the mechanism from the perspective of differential miRNA expression. METHODS Scanning electron microscopy (SEM) was used to perform the coculture of cells and scaffolds. The miRNA profiles were generated by a microarray assay. A synthetic miR-129-5p mimic and inhibitor were used for overexpression or inhibition. The expression of osteogenic marker mRNAs and proteins was detected by quantitative real-time PCR (qRT-PCR), Western blotting, and immunofluorescence. An ALP activity kit and alizarin red staining (ARS) were used to measure ALP activity and mineral deposition formation. Cell migration ability was examined by wound healing and transwell assays. Protein kinase A (PKA) activity was measured by enzyme-linked immunosorbent assay (ELISA) after miR-129-5p transfection. Target genes were identified by a dual-luciferase reporter assay. H89 preculture evaluated the cross talk between miR-129-5p and PKA activity. Heterotopic implantation models, hematoxylin-eosin (HE), immunohistochemistry staining, and micro-CT were used to evaluate miR-129-5p osteogenesis in vivo. RESULTS miRNAs were differentially expressed during osteogenic differentiation induced by HAG in vitro and in vivo. miR-129-5p was the only highly expressed miRNA both in vitro and in vivo. miR-129-5p overexpression promoted osteoblast differentiation and cell migration, while its inhibition weakened the effect of HAG. Moreover, miR-129-5p activated PKA to regulate the phosphorylation of β-catenin and cAMP-response element binding protein (CREB) by inhibiting cAMP-dependent protein kinase inhibitor alpha (Pkia). H89 prevented the effects of miR-129-5p on osteogenic differentiation and cell migration. HE, immunohistochemistry staining and micro-CT results showed that miR-129-5p promoted in vivo osteogenesis of the HAG scaffold. CONCLUSION The HAG scaffold activates Pka by upregulating miR-129-5p and inhibiting Pkia, resulting in CREB-dependent transcriptional activation and accumulation of β-catenin and promoting osteogenic marker expression.
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Affiliation(s)
- Li Deng
- Stomatology Department, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China.,Institute of Tissue Engineering and Stem Cells, Nanchong Central Hospital, The Second Clinical College of North Sichuan Medical College, Nanchong, China
| | - Xinlun Li
- Stomatology Department, Sichuan Provincial People's Hospital, Chengdu, China
| | - Xiaohua Ren
- Stomatology Department, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Shuang Lai
- Stomatology Department, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
| | - Yushu Zhu
- Stomatology Department, Sichuan Provincial People's Hospital, Chengdu, China
| | - Jing Li
- Stomatology Department, Sichuan Provincial People's Hospital, Chengdu, China
| | - Hao Huang
- Key Laboratory of Advanced Technologies of Materials (Ministry of Education), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu, China
| | - Yandong Mu
- Stomatology Department, Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, China
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Abstract
Chronic wounds are characterized by their inability to heal within an expected time frame and have emerged as an increasingly important clinical problem over the past several decades, owing to their increasing incidence and greater recognition of associated morbidity and socio-economic burden. Even up to a few years ago, the management of chronic wounds relied on standards of care that were outdated. However, the approach to these chronic conditions has improved, with better prevention, diagnosis and treatment. Such improvements are due to major advances in understanding of cellular and molecular aspects of basic science, in innovative and technological breakthroughs in treatment modalities from biomedical engineering, and in our ability to conduct well-controlled and reliable clinical research. The evidence-based approaches resulting from these advances have become the new standard of care. At the same time, these improvements are tempered by the recognition that persistent gaps exist in scientific knowledge of impaired healing and the ability of clinicians to reduce morbidity, loss of limb and mortality. Therefore, taking stock of what is known and what is needed to improve understanding of chronic wounds and their associated failure to heal is crucial to ensuring better treatments and outcomes.
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Lin X, Zhu L, He J. Morphogenesis, Growth Cycle and Molecular Regulation of Hair Follicles. Front Cell Dev Biol 2022; 10:899095. [PMID: 35646909 PMCID: PMC9133560 DOI: 10.3389/fcell.2022.899095] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 04/18/2022] [Indexed: 12/19/2022] Open
Abstract
As one of the main appendages of skin, hair follicles play an important role in the process of skin regeneration. Hair follicle is a tiny organ formed by the interaction between epidermis and dermis, which has complex and fine structure and periodic growth characteristics. The hair growth cycle is divided into three continuous stages, growth (anagen), apoptosis-driven regression (catagen) and relative quiescence (telogen). And The Morphogenesis and cycle of hair follicles are regulated by a variety of signal pathways. When the signal molecules in the pathways are abnormal, it will affect the development and cycle of hair follicles, which will lead to hair follicle-related diseases.This article will review the structure, development, cycle and molecular regulation of hair follicles, in order to provide new ideas for solving diseases and forming functional hair follicle.
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Mokabber H, Vatankhah MA, Najafzadeh N. The regulatory role of microRNAs in the development, cyclic changes, and cell differentiation of the hair follicle. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.01.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Lv X, Chen W, Wang S, Cao X, Yuan Z, Getachew T, Mwacharo JM, Haile A, Sun W. Integrated Hair Follicle Profiles of microRNAs and mRNAs to Reveal the Pattern Formation of Hu Sheep Lambskin. Genes (Basel) 2022; 13:genes13020342. [PMID: 35205386 PMCID: PMC8872417 DOI: 10.3390/genes13020342] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 02/05/2022] [Accepted: 02/10/2022] [Indexed: 02/05/2023] Open
Abstract
Hair follicle development is closely associated with wool curvature. Current studies reveal the crucial role of microRNAs (miRNAs) in hair follicle growth and development. However, few studies are known regarding their role in wool curvature. To reveal the potential roles of miRNAs in Hu sheep lambskin with different patterns, a total of 37 differentially expressed (DE) miRNAs were identified in hair follicles between small waves (SM) and straight wool (ST) groups using RNA-seq. Through functional enrichment and miRNA-mRNA co-expression analysis, some key miRNAs (oar-miR-143, oar-miR-200b, oar-miR-10a, oar-miR-181a, oar-miR-10b, oar-miR-125b, etc.) and miRNA-mRNA pairs (miR-125b target CD34, miR-181a target FGF12, LMO3, miR-200b target ZNF536, etc.) were identified. Though direct or indirect ways affecting hair follicle development, these miRNAs and mRNAs may have possible effects on wool curvature, and this study thus provides valuable insight on potential pattern formation.
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Affiliation(s)
- Xiaoyang Lv
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou 225009, China; (X.L.); (X.C.); (Z.Y.)
| | - Weihao Chen
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China; (W.C.); (S.W.)
| | - Shanhe Wang
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China; (W.C.); (S.W.)
| | - Xiukai Cao
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou 225009, China; (X.L.); (X.C.); (Z.Y.)
| | - Zehu Yuan
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou 225009, China; (X.L.); (X.C.); (Z.Y.)
| | - Tesfaye Getachew
- International Centre for Agricultural Research in the Dry Areas, Addis Ababa 999047, Ethiopia; (T.G.); (J.M.M.); (A.H.)
| | - Joram M. Mwacharo
- International Centre for Agricultural Research in the Dry Areas, Addis Ababa 999047, Ethiopia; (T.G.); (J.M.M.); (A.H.)
| | - Aynalem Haile
- International Centre for Agricultural Research in the Dry Areas, Addis Ababa 999047, Ethiopia; (T.G.); (J.M.M.); (A.H.)
| | - Wei Sun
- Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou 225009, China; (X.L.); (X.C.); (Z.Y.)
- College of Animal Science and Technology, Yangzhou University, Yangzhou 225009, China; (W.C.); (S.W.)
- Correspondence: ; Tel.: +86-139-5275-0912
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Abreu CM, Marques AP. Recreation of a hair follicle regenerative microenvironment: Successes and pitfalls. Bioeng Transl Med 2022; 7:e10235. [PMID: 35079623 PMCID: PMC8780054 DOI: 10.1002/btm2.10235] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2021] [Revised: 05/15/2021] [Accepted: 05/18/2021] [Indexed: 12/19/2022] Open
Abstract
The hair follicle (HF) is an exquisite skin appendage endowed with cyclical regenerative capacity; however, de novo follicle formation does not naturally occur. Consequently, patients suffering from extensive skin damage or hair loss are deprived of the HF critical physiological and/or aesthetic functions, severally compromising skin function and the individual's psychosocial well-being. Translation of regenerative strategies has been prevented by the loss of trichogenic capacity that relevant cell populations undergo in culture and by the lack of suitable human-based in vitro testing platforms. Here, we provide a comprehensive overview of the major difficulties associated with HF regeneration and the approaches used to overcome these drawbacks. We describe key cellular requirements and discuss the importance of the HF extracellular matrix and associated signaling for HF regeneration. Finally, we summarize the strategies proposed so far to bioengineer human HF or hair-bearing skin models and disclose future trends for the field.
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Affiliation(s)
- Carla M. Abreu
- 3B's Research Group, I3Bs ‐ Research Institute on Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative MedicineAvePark–Parque de Ciência e Tecnologia, University of MinhoGuimarãesPortugal
- ICVS/3B's–PT Government Associate LaboratoryGuimarãesPortugal
| | - Alexandra P. Marques
- 3B's Research Group, I3Bs ‐ Research Institute on Biomaterials, Biodegradables and Biomimetics, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative MedicineAvePark–Parque de Ciência e Tecnologia, University of MinhoGuimarãesPortugal
- ICVS/3B's–PT Government Associate LaboratoryGuimarãesPortugal
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miR-143 Targeting CUX1 to Regulate Proliferation of Dermal Papilla Cells in Hu Sheep. Genes (Basel) 2021; 12:genes12122017. [PMID: 34946965 PMCID: PMC8700861 DOI: 10.3390/genes12122017] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 12/13/2021] [Accepted: 12/16/2021] [Indexed: 01/19/2023] Open
Abstract
Wool curvature is the determining factor for lambskin quality of Hu lambs. However, the molecular mechanism of wool curvature formation is not yet known. miRNA has been proved to play an important role in hair follicle development, and we have discovered a differentially expressed miRNA, miR-143, in hair follicles of different curl levels. In this study, we first examined the effects of miR-143 on the proliferation and cell cycle of dermal papilla cells using CCK8, EdU and flow cytometry and showed that miR-143 inhibited the proliferation of dermal papilla cells and slowed down the cell cycle. Bioinformatics analysis was performed to predict the target genes KRT71 and CUX1 of miR-143, and both two genes were expressed at significantly higher levels in small waves than in straight lambskin wool (p < 0.05) as detected by qPCR and Western blot (WB). Then, the target relationships between miR-143 and KRT71 and CUX1 were verified through the dual-luciferase assay in 293T cells. Finally, after overexpression and suppression of miR-143 in dermal papilla cells, the expression trend of CUX1 was contrary to that of miR-143. Meanwhile, KRT71 was not detected because KRT71 was not expressed in dermal papilla cells. Therefore, we speculated that miR-143 can target CUX1 to inhibit the proliferation of dermal papilla cells, while miR-143 can target KRT71 to regulate the growth and development of hair follicles, so as to affect the development of hair follicles and ultimately affect the formation of wool curvature.
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Müller L, Hatzfeld M, Keil R. Desmosomes as Signaling Hubs in the Regulation of Cell Behavior. Front Cell Dev Biol 2021; 9:745670. [PMID: 34631720 PMCID: PMC8495202 DOI: 10.3389/fcell.2021.745670] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 08/31/2021] [Indexed: 12/19/2022] Open
Abstract
Desmosomes are intercellular junctions, which preserve tissue integrity during homeostatic and stress conditions. These functions rely on their unique structural properties, which enable them to respond to context-dependent signals and transmit them to change cell behavior. Desmosome composition and size vary depending on tissue specific expression and differentiation state. Their constituent proteins are highly regulated by posttranslational modifications that control their function in the desmosome itself and in addition regulate a multitude of desmosome-independent functions. This review will summarize our current knowledge how signaling pathways that control epithelial shape, polarity and function regulate desmosomes and how desmosomal proteins transduce these signals to modulate cell behavior.
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Affiliation(s)
- Lisa Müller
- Department for Pathobiochemistry, Institute of Molecular Medicine, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - Mechthild Hatzfeld
- Department for Pathobiochemistry, Institute of Molecular Medicine, Martin Luther University Halle-Wittenberg, Halle, Germany
| | - René Keil
- Department for Pathobiochemistry, Institute of Molecular Medicine, Martin Luther University Halle-Wittenberg, Halle, Germany
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Qu H, Wu S, Li J, Ma T, Li J, Xiang B, Jiang H, Zhang Q. MiR-125b regulates the differentiation of hair follicles in Fine-wool Sheep and Cashmere goats by targeting MXD4 and FGFR2. Anim Biotechnol 2021; 34:357-364. [PMID: 34487480 DOI: 10.1080/10495398.2021.1968884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
With the development of miRNAs identification technology, more and more miRNAs have been discovered, and the role of miRNAs in the development of animal hair follicles has become a focus of research on hair-producing animals. In the previous experiment, compare the microRNA (miRNA) trancriptomes of goats and sheep skin using Solexa sequencing and differentially expressed miR-125b was screened. However, the mechanism of miR-125b regulating hair follicle development is not clear. Therefore, in the present study, the expression of miR-125b, MXD4 and FGFR2 in skin tissue of Fine-wool Sheep and Cashmere goats and HEK-293T cells was examined by qPCR and Western blot. Furthermore, the correlation between miR-125b and the predicted target gene (MXD4, FGFR2) was verified using the Dual-luciferase Reporter assay. We demonstrated that the expression of MXD4 and FGFR2 in Cashmere goats was significantly higher than that of Fine-wool Sheep, and the expression was opposite to that of miR-125b. miR-125b can down-regulate the levels of MXD4 and FGFR2. Dual-luciferase reporter gene assay showed that miR-125b could bind to the 3'-UTR region of target genes FGFR2 and MXD4, suggesting that MXD4 and FGFR2 were target genes of miR-125b. This study has shown that the growth and development of hair follicles in skin tissue of Fine-wool Sheep and Cashmere goats from the new regulatory levels of miRNAs, and clarified the mechanism of miR-125b and its target genes in the development of hair follicles in the skin.
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Affiliation(s)
- Haie Qu
- College of Veterinary Medicine, Jilin University, Changchun, China.,Shandong Vocational Animal Science and Veterinary College, Weifang, China
| | - Sufang Wu
- College of Veterinary Medicine, Jilin University, Changchun, China
| | - Jianping Li
- College of Animal Science and Technology, Jilin Agricultural Science and Technology University, Jilin, China
| | - Tao Ma
- College of Veterinary Medicine, Jilin University, Changchun, China
| | - Jianyu Li
- College of Veterinary Medicine, Jilin University, Changchun, China
| | - Ba Xiang
- College of Veterinary Medicine, Jilin University, Changchun, China
| | - Huaizhi Jiang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Qiaoling Zhang
- College of Veterinary Medicine, Jilin University, Changchun, China
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25
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Yu Y, Zhang X, Liu F, Zhu P, Zhang L, Peng Y, Yan X, Li Y, Hua P, Liu C, Li Q, Zhang L. A stress-induced miR-31-CLOCK-ERK pathway is a key driver and therapeutic target for skin aging. NATURE AGING 2021; 1:795-809. [PMID: 37117623 DOI: 10.1038/s43587-021-00094-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 06/30/2021] [Indexed: 04/30/2023]
Abstract
Regressive changes in epithelial stem cells underlie mammalian skin aging, but the driving mechanisms are not well understood. Here, we report that mouse skin hair follicle stem cell (HFSC) aging is initiated by their intrinsic upregulation of miR-31, a microRNA that can be induced by physical injury or genotoxic stress and is also strongly upregulated in aged human skin epithelium. Using transgenic and conditional knockout mouse models plus a lineage-tracing technique, we show that miR-31 acts as a key driver of HFSC aging by directly targeting Clock, a core circadian clock gene whose deregulation activates a MAPK/ERK cascade to induce HFSC depletion via transepidermal elimination. Notably, blocking this pathway by either conditional miR-31 ablation or clinically approved MAPK/ERK inhibitors provides safe and effective protection against skin aging, enlightening a promising therapeutic avenue for treating skin aging and other genotoxic stress-induced skin conditions such as radiodermatitis.
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Affiliation(s)
- Yao Yu
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Xia Zhang
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Fengzhen Liu
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Peiying Zhu
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Liping Zhang
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - You Peng
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Xinyu Yan
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Yin Li
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Peng Hua
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Caiyue Liu
- Department of Plastic & Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Qingfeng Li
- Department of Plastic & Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Liang Zhang
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China.
- Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, Beijing, China.
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26
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Wang S, Matsumoto K, Lish SR, Cartagena-Rivera AX, Yamada KM. Budding epithelial morphogenesis driven by cell-matrix versus cell-cell adhesion. Cell 2021; 184:3702-3716.e30. [PMID: 34133940 PMCID: PMC8287763 DOI: 10.1016/j.cell.2021.05.015] [Citation(s) in RCA: 66] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 03/19/2021] [Accepted: 05/11/2021] [Indexed: 01/01/2023]
Abstract
Many embryonic organs undergo epithelial morphogenesis to form tree-like hierarchical structures. However, it remains unclear what drives the budding and branching of stratified epithelia, such as in the embryonic salivary gland and pancreas. Here, we performed live-organ imaging of mouse embryonic salivary glands at single-cell resolution to reveal that budding morphogenesis is driven by expansion and folding of a distinct epithelial surface cell sheet characterized by strong cell-matrix adhesions and weak cell-cell adhesions. Profiling of single-cell transcriptomes of this epithelium revealed spatial patterns of transcription underlying these cell adhesion differences. We then synthetically reconstituted budding morphogenesis by experimentally suppressing E-cadherin expression and inducing basement membrane formation in 3D spheroid cultures of engineered cells, which required β1-integrin-mediated cell-matrix adhesion for successful budding. Thus, stratified epithelial budding, the key first step of branching morphogenesis, is driven by an overall combination of strong cell-matrix adhesion and weak cell-cell adhesion by peripheral epithelial cells.
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Affiliation(s)
- Shaohe Wang
- Cell Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA.
| | - Kazue Matsumoto
- Cell Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA
| | - Samantha R Lish
- Section on Mechanobiology, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA
| | - Alexander X Cartagena-Rivera
- Section on Mechanobiology, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD, USA
| | - Kenneth M Yamada
- Cell Biology Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, USA.
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27
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Liu F, Zhang X, Peng Y, Zhang L, Yu Y, Hua P, Zhu P, Yan X, Li Y, Zhang L. miR-24 controls the regenerative competence of hair follicle progenitors by targeting Plk3. Cell Rep 2021; 35:109225. [PMID: 34107258 DOI: 10.1016/j.celrep.2021.109225] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 03/17/2021] [Accepted: 05/13/2021] [Indexed: 01/04/2023] Open
Abstract
Maintaining a suitable level of sensitivity to environmental cues is crucial for proper function of adult stem cells. Here, we explore how the intrinsic sensitivity of skin hair follicle (HF) progenitors to growth stimuli is dynamically regulated. We discover miR-24 is an miRNA whose expression in HF progenitors inversely correlates with their growth potency in vivo. We show that its upregulation in adult skin epithelium leads to blunted responses of HF progenitors to growth cues and retards hair regeneration, while its conditional ablation leads to hyper-sensitized growth responsiveness of HF progenitors and precocious hair regeneration. Mechanistically, we find that miR-24 limits the intrinsic growth competence of HF progenitor by directly targeting Plk3, whose downregulation leads to reduced expression of CCNE1, a key cyclin for cell-cycle entry. These findings reveal an miRNA-mediated dynamic and cell-intrinsic mechanism used by HF progenitors to adapt their regenerative competence for different physiological conditions.
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Affiliation(s)
- Fengzhen Liu
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Xia Zhang
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - You Peng
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Liping Zhang
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Yao Yu
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Peng Hua
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Peiying Zhu
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Xinyu Yan
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Yin Li
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China
| | - Liang Zhang
- CAS Key Laboratory of Tissue Microenvironment and Tumor, Shanghai Institute of Nutrition and Health, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai 200031, China; Institute for Stem Cell and Regeneration, Chinese Academy of Sciences, 1 Beichen West Road, Chaoyang District, Beijing 100101, China; Department of Plastic & Reconstructive Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, 639 Zhizaoju Road, Shanghai 200011, China.
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28
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Tordonato C, Marzi MJ, Giangreco G, Freddi S, Bonetti P, Tosoni D, Di Fiore PP, Nicassio F. miR-146 connects stem cell identity with metabolism and pharmacological resistance in breast cancer. J Cell Biol 2021; 220:211945. [PMID: 33819341 PMCID: PMC8025236 DOI: 10.1083/jcb.202009053] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 01/26/2021] [Accepted: 03/01/2021] [Indexed: 02/07/2023] Open
Abstract
Although ectopic overexpression of miRNAs can influence mammary normal and cancer stem cells (SCs/CSCs), their physiological relevance remains uncertain. Here, we show that miR-146 is relevant for SC/CSC activity. MiR-146a/b expression is high in SCs/CSCs from human/mouse primary mammary tissues, correlates with the basal-like breast cancer subtype, which typically has a high CSC content, and specifically distinguishes cells with SC/CSC identity. Loss of miR-146 reduces SC/CSC self-renewal in vitro and compromises patient-derived xenograft tumor growth in vivo, decreasing the number of tumor-initiating cells, thus supporting its pro-oncogenic function. Transcriptional analysis in mammary SC-like cells revealed that miR-146 has pleiotropic effects, reducing adaptive response mechanisms and activating the exit from quiescent state, through a complex network of finely regulated miRNA targets related to quiescence, transcription, and one-carbon pool metabolism. Consistent with these findings, SCs/CSCs display innate resistance to anti-folate chemotherapies either in vitro or in vivo that can be reversed by miR-146 depletion, unmasking a “hidden vulnerability” exploitable for the development of anti-CSC therapies.
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Affiliation(s)
- Chiara Tordonato
- European Institute of Oncology IRCCS, Milan, Italy.,Department of Oncology and Hemato-Oncology, Università Degli Studi di Milano, Milano, Italy
| | - Matteo Jacopo Marzi
- Center for Genomic Science of Istituto Italiano di Tecnologia at European School of Molecular Medicine, Istituto Italiano di Tecnologia, Milan, Italy
| | - Giovanni Giangreco
- European Institute of Oncology IRCCS, Milan, Italy.,Tumour Cell Biology Laboratory, The Francis Crick Institute, London, UK
| | | | - Paola Bonetti
- Center for Genomic Science of Istituto Italiano di Tecnologia at European School of Molecular Medicine, Istituto Italiano di Tecnologia, Milan, Italy
| | | | - Pier Paolo Di Fiore
- European Institute of Oncology IRCCS, Milan, Italy.,Department of Oncology and Hemato-Oncology, Università Degli Studi di Milano, Milano, Italy
| | - Francesco Nicassio
- Center for Genomic Science of Istituto Italiano di Tecnologia at European School of Molecular Medicine, Istituto Italiano di Tecnologia, Milan, Italy
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29
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Wagner RN, Piñón Hofbauer J, Wally V, Kofler B, Schmuth M, De Rosa L, De Luca M, Bauer JW. Epigenetic and metabolic regulation of epidermal homeostasis. Exp Dermatol 2021; 30:1009-1022. [PMID: 33600038 PMCID: PMC8359218 DOI: 10.1111/exd.14305] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 02/11/2021] [Accepted: 02/14/2021] [Indexed: 02/06/2023]
Abstract
Continuous exposure of the skin to environmental, mechanical and chemical stress necessitates constant self‐renewal of the epidermis to maintain its barrier function. This self‐renewal ability is attributed to epidermal stem cells (EPSCs), which are long‐lived, multipotent cells located in the basal layer of the epidermis. Epidermal homeostasis – coordinated proliferation and differentiation of EPSCs – relies on fine‐tuned adaptations in gene expression which in turn are tightly associated with specific epigenetic signatures and metabolic requirements. In this review, we will briefly summarize basic concepts of EPSC biology and epigenetic regulation with relevance to epidermal homeostasis. We will highlight the intricate interplay between mitochondrial energy metabolism and epigenetic events – including miRNA‐mediated mechanisms – and discuss how the loss of epigenetic regulation and epidermal homeostasis manifests in skin disease. Discussion of inherited epidermolysis bullosa (EB) and disorders of cornification will focus on evidence for epigenetic deregulation and failure in epidermal homeostasis, including stem cell exhaustion and signs of premature ageing. We reason that the epigenetic and metabolic component of epidermal homeostasis is significant and warrants close attention. Charting epigenetic and metabolic complexities also represents an important step in the development of future systemic interventions aimed at restoring epidermal homeostasis and ameliorating disease burden in severe skin conditions.
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Affiliation(s)
- Roland N Wagner
- Department of Dermatology and Allergology, University Hospital of the Paracelsus Medical University, Salzburg, Austria
| | - Josefina Piñón Hofbauer
- EB House Austria, Research Program for Molecular Therapy of Genodermatoses, Department of Dermatology and Allergology, University Hospital of the Paracelsus Medical University, Salzburg, Austria
| | - Verena Wally
- EB House Austria, Research Program for Molecular Therapy of Genodermatoses, Department of Dermatology and Allergology, University Hospital of the Paracelsus Medical University, Salzburg, Austria
| | - Barbara Kofler
- Research Program for Receptor Biochemistry and Tumor Metabolism, Department of Pediatrics, University Hospital of the Paracelsus Medical University, Salzburg, Austria
| | - Matthias Schmuth
- Department of Dermatology, Medical University Innsbruck, Innsbruck, Austria
| | - Laura De Rosa
- Holostem Terapie Avanzate S.r.l., Center for Regenerative Medicine "Stefano Ferrari", Modena, Italy
| | - Michele De Luca
- Center for Regenerative Medicine "Stefano Ferrari", Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Johann W Bauer
- Department of Dermatology and Allergology, University Hospital of the Paracelsus Medical University, Salzburg, Austria
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30
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Lee SA, Li KN, Tumbar T. Stem cell-intrinsic mechanisms regulating adult hair follicle homeostasis. Exp Dermatol 2020; 30:430-447. [PMID: 33278851 DOI: 10.1111/exd.14251] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 11/23/2020] [Accepted: 11/24/2020] [Indexed: 12/12/2022]
Abstract
Adult hair follicle stem cells (HFSCs) undergo dynamic and periodic molecular changes in their cellular states throughout the hair homeostatic cycle. These states are tightly regulated by cell-intrinsic mechanisms and by extrinsic signals from the microenvironment. HFSCs are essential not only for fuelling hair growth, but also for skin wound healing. Increasing evidence suggests an important role of HFSCs in organizing multiple skin components around the hair follicle, thus functioning as an organizing centre during adult skin homeostasis. Here, we focus on recent findings on cell-intrinsic mechanisms of HFSC homeostasis, which include transcription factors, histone modifications, DNA regulatory elements, non-coding RNAs, cell metabolism, cell polarity and post-transcriptional mRNA processing. Several transcription factors are now known to participate in well-known signalling pathways that control hair follicle homeostasis, as well as in super-enhancer activities to modulate HFSC and progenitor lineage progression. Interestingly, HFSCs have been shown to secrete molecules that are important in guiding the organization of several skin components around the hair follicle, including nerves, arrector pili muscle and vasculature. Finally, we discuss recent technological advances in the field such as single-cell RNA sequencing and live imaging, which revealed HFSC and progenitor heterogeneity and brought new light to understanding crosstalking between HFSCs and the microenvironment. The field is well on its way to generate a comprehensive map of molecular interactions that should serve as a solid theoretical platform for application in hair and skin disease and ageing.
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Affiliation(s)
- Seon A Lee
- Molecular Biology and Genetics, Cornell University, Ithaca, NY, USA
| | - Kefei Nina Li
- Molecular Biology and Genetics, Cornell University, Ithaca, NY, USA
| | - Tudorita Tumbar
- Molecular Biology and Genetics, Cornell University, Ithaca, NY, USA
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31
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Spatio-temporal regulation of gene expression defines subpopulations of epidermal stem cells. Biochem Soc Trans 2020; 48:2839-2850. [PMID: 33170265 DOI: 10.1042/bst20200740] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Revised: 10/14/2020] [Accepted: 10/16/2020] [Indexed: 02/06/2023]
Abstract
The search for epidermal stem cells has gained the momentum as they possess unique biological characteristics and a potential in regeneration therapies. Several transcription factors and miRNAs have been identified as epidermal stem cell markers. However, the separation of epidermal stem cells from their progeny remains challenging. The introduction of single-cell transcriptomics pointed to the high degree of heterogeneity in epidermal stem cells imbedded within subpopulations of keratinocytes. Pseudotime inference, RNA velocity, and cellular entropy further enhanced our knowledge of stem cells, allowing for the discovery of the epidermal stem cell plasticity. We explore the main findings that lead to the discovery of the plastic trait within the epidermal stem cells and the implications of cell plasticity in regenerative medicine.
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32
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Chen Y, Huang J, Liu Z, Chen R, Fu D, Yang L, Wang J, Du L, Wen L, Miao Y, Hu Z. miR-140-5p in Small Extracellular Vesicles From Human Papilla Cells Stimulates Hair Growth by Promoting Proliferation of Outer Root Sheath and Hair Matrix Cells. Front Cell Dev Biol 2020; 8:593638. [PMID: 33425897 PMCID: PMC7793747 DOI: 10.3389/fcell.2020.593638] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 11/11/2020] [Indexed: 12/15/2022] Open
Abstract
The application of dermal papilla cells to hair follicle (HF) regeneration has attracted a great deal of attention. However, cultured dermal papilla cells (DPCs) tend to lose their capacity to induce hair growth during passage, restricting their usefulness. Accumulating evidence indicates that DPCs regulate HF growth mainly through their unique paracrine properties, raising the possibility of therapies based on extracellular vesicles (EVs). In this study, we explored the effects of EVs from high- and low-passage human scalp follicle dermal papilla cells (DP-EVs) on activation of hair growth, and investigated the underlying mechanism. DP-EVs were isolated by ultracentrifugation and cultured with human scalp follicles, hair matrix cells (MxCs), and outer root sheath cells (ORSCs), and we found low-passage DP-EVs accelerated HF elongation and cell proliferation activation. High-throughput miRNA sequencing and bioinformatics analysis identified 100 miRNAs that were differentially expressed between low- (P3) and high- (P8) passage DP-EVs. GO and KEGG pathway analysis of 1803 overlapping target genes revealed significant enrichment in the BMP/TGF-β signaling pathways. BMP2 was identified as a hub of the overlapping genes. miR-140-5p, which was highly enriched in low-passage DP-EVs, was identified as a potential regulator of BMP2. Direct repression of BMP2 by miR-140-5p was confirmed by dual-luciferase reporter assay. Moreover, overexpression and inhibition of miR-140-5p in DP-EVs suppressed and increased expression of BMP signaling components, respectively, indicating that this miRNA plays a critical role in hair growth and cell proliferation. DP-EVs transport miR-140-5p from DPCs to epithelial cells, where it downregulates BMP2. Therefore, DPC-derived vesicular miR-140-5p represents a therapeutic target for alopecia.
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Affiliation(s)
- Yuxin Chen
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University, Guangzhou, China
| | - Junfei Huang
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University, Guangzhou, China
| | - Zhen Liu
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University, Guangzhou, China
| | - Ruosi Chen
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University, Guangzhou, China
| | - Danlan Fu
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University, Guangzhou, China
| | - Lunan Yang
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University, Guangzhou, China
| | - Jin Wang
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University, Guangzhou, China
| | - Lijuan Du
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University, Guangzhou, China
| | - Lihong Wen
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University, Guangzhou, China
| | - Yong Miao
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University, Guangzhou, China
| | - Zhiqi Hu
- Department of Plastic and Aesthetic Surgery, Nanfang Hospital of Southern Medical University, Guangzhou, China
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33
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Deng W, Hu T, Han L, Liu B, Tang X, Chen H, Chen X, Wan M. miRNA microarray profiling in patients with androgenic alopecia and the effects of miR-133b on hair growth. Exp Mol Pathol 2020; 118:104589. [PMID: 33290799 DOI: 10.1016/j.yexmp.2020.104589] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 11/18/2020] [Accepted: 11/30/2020] [Indexed: 11/16/2022]
Abstract
OBJECTIVE Androgenetic alopecia (AGA), a common alopecia, is often accompanied by abnormal expression of multiple miRNAs. This study aims to investigate abnormally expressed miRNAs in patients with AGA and their specific molecular mechanism. METHODS miRNA microarray profiling and qRT-PCR validation were used to screen and verify abnormally expressed miRNAs in patients with AGA. Human hair follicles (HFs) were treated with different concentrations of dihydrotestosterone (DHT, 10-5, 10-6, 10-7 and 10-8 mol/L) for 10 days. The effects of DHT on HF growth, proliferation, and miRNA expression in cultured HFs were investigated using immunofluorescence staining and qRT-PCR. Moreover, human dermal papilla cells (HDPCs) were treated/transfected with a Wnt/β-catenin pathway activator and/or miR-133b mimic, and then the CCK-8 assay was used to evaluate HDPC proliferation. qRT-PCR and Western blotting were used to measure the expression of Versican, ALP and β-catenin RESULTS: miRNA microarray profiling identified 43 miRNAs that were significantly differentially expressed in AGA patients, and qRT-PCR verified that 8 miRNAs were significantly differentially expressed. The expression of miR-133b was abnormally high in AGA patients. DHT (10-5 mol/L) inhibited human HF growth and upregulated miR-133b expression, and DHT (10-7 mol/L) induced human HF growth and downregulated miR-133b expression. HDPC proliferation was inhibited, and the expression of β-catenin was downregulated in the miR-133b mimic-transfected group compared with the control group (P < 0.05). Wnt/β-catenin pathway activator treatment significantly promoted HDPC proliferation and upregulated the expression of β-catenin (P < 0.05). In addition, the proliferation of HDPCs was not significantly different between the group cotreated with a Wnt/β-catenin pathway activator and miR-133b mimic, and the control group (P > 0.05), but the expression of Versican and ALP was suppressed in the cotreatment group (P < 0.05) CONCLUSION: Our data indicated that patients with androgenic alopecia have specific miRNA expression profiles and that the abnormal expression of miR-133b may inactivate the Wnt/β-catenin pathway and ultimately regulate hair growth.
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Affiliation(s)
- Wenjia Deng
- Department of Dermatology, The Third Affiliated Hospital, Sun Yat-sen University, No. 600 Tianhe Road, Guangzhou 510630, China
| | - Ting Hu
- Department of Dermatology, Yuebei People's Hospital, No. 133 South Huimin Road, Shaoguan 512026, Guangdong, China
| | - Le Han
- Department of Dermatology, The Third Affiliated Hospital, Sun Yat-sen University, No. 600 Tianhe Road, Guangzhou 510630, China
| | - Ben Liu
- Department of Dermatology, The Third Affiliated Hospital, Sun Yat-sen University, No. 600 Tianhe Road, Guangzhou 510630, China
| | - Xin Tang
- Department of Dermatology, The Third Affiliated Hospital, Sun Yat-sen University, No. 600 Tianhe Road, Guangzhou 510630, China
| | - Haiyan Chen
- Department of Dermatology, The Third Affiliated Hospital, Sun Yat-sen University, No. 600 Tianhe Road, Guangzhou 510630, China
| | - Xianyan Chen
- Department of Dermatology, The Third Affiliated Hospital, Sun Yat-sen University, No. 600 Tianhe Road, Guangzhou 510630, China
| | - Miaojian Wan
- Department of Dermatology, The Third Affiliated Hospital, Sun Yat-sen University, No. 600 Tianhe Road, Guangzhou 510630, China.
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34
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Wang L, Song F, Yin H, Zhu W, Fu J, Dong Z, Xu P. Comparative microRNAs expression profiles analysis during embryonic development of common carp, Cyprinus carpio. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2020; 37:100754. [PMID: 33186873 DOI: 10.1016/j.cbd.2020.100754] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 09/23/2020] [Accepted: 10/26/2020] [Indexed: 12/22/2022]
Abstract
MicroRNAs (miRNAs) play important roles in biological processes by regulating specific gene expression. Limited miRNAs information is available on embryonic development in common carp (Cyprinus carpio) so far. In this study, six important embryonic development stages of C.carpio were collected to perform a times-series of small RNA-seq experiments from cleavage, blastocyst, gastrulation, organ formation, hatching stage to 1 day post-hatching larva. The expression profiles of miRNAs were identified and differentially expressed miRNAs (DEMs) were screened out based on pairwise comparison. A mean of 12,744,989 raw reads and 9,888,123 clean reads were obtained from each library. A total of 2565 miRNAs were identified. 68 of 204 DEMs were overlapped with stage-specific miRNAs, in which 15 were known miRNAs and seemed to play a key role in embryogenesis. Additionally, time-course expression reveals several intriguing fluctuations during embryogenesis. Numerous signaling pathways were identified in embryonic development, including the phototransduction, hippo signaling pathway, Wnt, melanogenesis, histidine metabolism and fatty acid biosynthesis. The results would provide new insight into the roles of miRNAs in embryonic development, and would help us to advance the understanding of miRNA-mediated mechanisms in embryonic development of fish.
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Affiliation(s)
- Lanmei Wang
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, Jiangsu, China; Freshwater Fisheries Research Center of Chinese Academy of Fishery Sciences, Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Wuxi 214081, Jiangsu, China
| | - Feibiao Song
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, Jiangsu, China
| | - Haoran Yin
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, Jiangsu, China
| | - Wenbin Zhu
- Freshwater Fisheries Research Center of Chinese Academy of Fishery Sciences, Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Wuxi 214081, Jiangsu, China
| | - Jianjun Fu
- Freshwater Fisheries Research Center of Chinese Academy of Fishery Sciences, Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Wuxi 214081, Jiangsu, China
| | - Zaijie Dong
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, Jiangsu, China; Freshwater Fisheries Research Center of Chinese Academy of Fishery Sciences, Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Wuxi 214081, Jiangsu, China.
| | - Pao Xu
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi 214081, Jiangsu, China; Freshwater Fisheries Research Center of Chinese Academy of Fishery Sciences, Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Wuxi 214081, Jiangsu, China.
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Defining microRNA signatures of hair follicular stem and progenitor cells in healthy and androgenic alopecia patients. J Dermatol Sci 2020; 101:49-57. [PMID: 33183906 DOI: 10.1016/j.jdermsci.2020.11.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 10/22/2020] [Accepted: 11/03/2020] [Indexed: 01/25/2023]
Abstract
BACKGROUND The exact pathogenic mechanism causes hair miniaturization during androgenic alopecia (AGA) has not been delineated. Recent evidence has shown a role for non-coding regulatory RNAs, such as microRNAs (miRNAs), in skin and hair disease. There is no reported information about the role of miRNAs in hair epithelial cells of AGA. OBJECTIVES To investigate the roles of miRNAs affecting AGA in normal and patient's epithelial hair cells. METHODS Normal follicular stem and progenitor cells, as well as follicular patient's stem cells, were sorted from hair follicles, and a miRNA q-PCR profiling to compare the expression of 748 miRNA (miRs) in sorted cells were performed. Further, we examined the putative functional implication of the most differentially regulated miRNA (miR-324-3p) in differentiation, proliferation and migration of cultured keratinocytes by qRT-PCR, immunofluorescence, and scratch assay. To explore the mechanisms underlying the effects of miR-324-3p, we used specific chemical inhibitors targeting pathways influenced by miR-324-3p. RESULT We provide a comprehensive assessment of the "miRNome" of normal and AGA follicular stem and progenitor cells. Differentially regulated miRNA signatures highlight several miRNA candidates including miRNA-324-3p as mis regulated in patient's stem cells. We find that miR-324-3p promotes differentiation and migration of cultured keratinocytes likely through the regulation of mitogen-activated protein kinase (MAPK) and transforming growth factor (TGF)-β signaling. Importantly, pharmacological inhibition of the TGF-β signaling pathway using Alk5i promotes hair shaft elongation in an organ-culture system. CONCLUSION Together, we offer a platform for understanding miRNA dynamic regulation in follicular stem and progenitor cells in baldness and highlight miR-324-3p as a promising target for its treatment.
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Chiba Y, Saito K, Martin D, Boger ET, Rhodes C, Yoshizaki K, Nakamura T, Yamada A, Morell RJ, Yamada Y, Fukumoto S. Single-Cell RNA-Sequencing From Mouse Incisor Reveals Dental Epithelial Cell-Type Specific Genes. Front Cell Dev Biol 2020; 8:841. [PMID: 32984333 PMCID: PMC7490294 DOI: 10.3389/fcell.2020.00841] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 08/05/2020] [Indexed: 01/01/2023] Open
Abstract
Dental epithelial stem cells give rise to four types of dental epithelial cells: inner enamel epithelium (IEE), outer enamel epithelium (OEE), stratum intermedium (SI), and stellate reticulum (SR). IEE cells further differentiate into enamel-forming ameloblasts, which play distinct roles, and are essential for enamel formation. These are conventionally classified by their shape, although their transcriptome and biological roles are yet to be fully understood. Here, we aimed to use single-cell RNA sequencing to clarify the heterogeneity of dental epithelial cell types. Unbiased clustering of 6,260 single cells from incisors of postnatal day 7 mice classified them into two clusters of ameloblast, IEE/OEE, SI/SR, and two mesenchymal populations. Secretory-stage ameloblasts expressed Amel and Enam were divided into Dspp + and Ambn + ameloblasts. Pseudo-time analysis indicated Dspp + ameloblasts differentiate into Ambn + ameloblasts. Further, Dspp and Ambn could be stage-specific markers of ameloblasts. Gene ontology analysis of each cluster indicated potent roles of cell types: OEE in the regulation of tooth size and SR in the transport of nutrients. Subsequently, we identified novel dental epithelial cell marker genes, namely Pttg1, Atf3, Cldn10, and Krt15. The results not only provided a resource of transcriptome data in dental cells but also contributed to the molecular analyses of enamel formation.
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Affiliation(s)
- Yuta Chiba
- Division of Pediatric Dentistry, Department of Oral Health and Development Sciences, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - Kan Saito
- Division of Pediatric Dentistry, Department of Oral Health and Development Sciences, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - Daniel Martin
- Genomics and Computational Biology Core, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, United States
| | - Erich T Boger
- Genomics and Computational Biology Core, National Institute on Deafness and Other Communication Disorders, National Institutes of Health, Bethesda, MD, United States
| | - Craig Rhodes
- Laboratory of Cell and Developmental Biology, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, United States
| | - Keigo Yoshizaki
- Section of Orthodontics and Dentofacial Orthopedics, Division of Oral Health, Growth, and Development, Kyushu University Faculty of Dental Science, Fukuoka, Japan
| | - Takashi Nakamura
- Division of Molecular Pharmacology and Cell Biophysics, Department of Oral Biology, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - Aya Yamada
- Division of Pediatric Dentistry, Department of Oral Health and Development Sciences, Tohoku University Graduate School of Dentistry, Sendai, Japan
| | - Robert J Morell
- Genomics and Computational Biology Core, National Institute on Deafness and Other Communication Disorders, National Institutes of Health, Bethesda, MD, United States
| | - Yoshihiko Yamada
- Laboratory of Cell and Developmental Biology, National Institute of Dental and Craniofacial Research, National Institutes of Health, Bethesda, MD, United States
| | - Satoshi Fukumoto
- Division of Pediatric Dentistry, Department of Oral Health and Development Sciences, Tohoku University Graduate School of Dentistry, Sendai, Japan.,Division of Oral Health, Growth and Development, Kyushu University Faculty of Dental Science, Fukuoka, Japan
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Expression profile analysis to identify circular RNA expression signatures in hair follicle of Hu sheep lambskin. Genomics 2020; 112:4454-4462. [PMID: 32768426 DOI: 10.1016/j.ygeno.2020.07.046] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 07/01/2020] [Accepted: 07/29/2020] [Indexed: 11/24/2022]
Abstract
CircRNAs are involved in the regulation of various cellular and biological processes, but none of the studies have focused on hair follicle in sheep. In this study, the expression profile of circRNAs between small waves (SM) and straight wool (ST) groups was investigated using RNA-Seq. The results showed that a total of 5,527 circRNAs were identified and 114 of them were differentially expressed between two groups. Enrichment analysis revealed that the host genes with DE circRNAs were mainly enriched in TGF-beta pathway, Notch pathway. Miranda software was used to found that 129 miRNAs might be binding to 114 DE circRNAs, including miR-10a, miR-143, miR-let-7a, miR-199a-3p, miR-200a, which also had important influence on hair follicle morphogenesis. Furthermore, the coding potential of circRNAs was predicted, and 11 circRNAs were simultaneously identified with coding potential. In summary, circRNAs have important effects on hair follicle growth and development, and these results will provide a basis for molecular mechanism of pattern formation.
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Khan AQ, Ahmad F, Raza SS, Zarif L, Siveen KS, Sher G, Agha MV, Rashid K, Kulinski M, Buddenkotte J, Uddin S, Steinhoff M. Role of non-coding RNAs in the progression and resistance of cutaneous malignancies and autoimmune diseases. Semin Cancer Biol 2020; 83:208-226. [PMID: 32717336 DOI: 10.1016/j.semcancer.2020.07.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 06/28/2020] [Accepted: 07/06/2020] [Indexed: 02/06/2023]
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Vishlaghi N, Lisse TS. Dicer- and Bulge Stem Cell-Dependent MicroRNAs During Induced Anagen Hair Follicle Development. Front Cell Dev Biol 2020; 8:338. [PMID: 32478074 PMCID: PMC7240072 DOI: 10.3389/fcell.2020.00338] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 04/17/2020] [Indexed: 11/17/2022] Open
Abstract
MicroRNAs (miRNAs) are a major class of conserved non-coding RNAs that have a wide range of functions during development and disease. Biogenesis of canonical miRNAs depend on the cytoplasmic processing of pre-miRNAs to mature miRNAs by the Dicer endoribonuclease. Once mature miRNAs are generated, the miRNA-induced silencing complex (miRISC), or miRISC, incorporates one strand of miRNAs as a template for recognizing complementary target messenger RNAs (mRNAs) to dictate post-transcriptional gene expression. Besides regulating miRNA biogenesis, Dicer is also part of miRISC to assist in activation of the complex. Dicer associates with other regulatory miRISC co-factors such as trans-activation responsive RNA-binding protein 2 (Tarbp2) to regulate miRNA-based RNA interference. Although the functional role of miRNAs within epidermal keratinocytes has been extensively studied within embryonic mouse skin, its contribution to the normal function of hair follicle bulge stem cells (BSCs) during post-natal hair follicle development is unclear. With this question in mind, we sought to ascertain whether Dicer-Tarpb2 plays a functional role within BSCs during induced anagen development by utilizing conditional knockout mouse models. Our findings suggest that Dicer, but not Tarbp2, functions within BSCs to regulate induced anagen (growth phase) development of post-natal hair follicles. These findings strengthen our understanding of miRNA-dependency within hair follicle cells during induced anagen development.
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Affiliation(s)
- Neda Vishlaghi
- Department of Biology, University of Miami, Coral Gables, FL, United States
| | - Thomas S Lisse
- Department of Biology, University of Miami, Coral Gables, FL, United States.,Sylvester Comprehensive Cancer Center, Miller School of Medicine, University of Miami, Miami, FL, United States
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40
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Zhu Z, Ma Y, Li Y, Li P, Cheng Z, Li H, Zhang L, Tang Z. The comprehensive detection of miRNA, lncRNA, and circRNA in regulation of mouse melanocyte and skin development. Biol Res 2020; 53:4. [PMID: 32014065 PMCID: PMC6998077 DOI: 10.1186/s40659-020-0272-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Accepted: 01/22/2020] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND Pigmentation development, is a complex process regulated by many transcription factors during development. With the development of the RNA sequencing (RNA-seq), non-coding RNAs, such as miRNAs, lncRNAs, and circRNAs, are found to play an important role in the function detection of related regulation factors. In this study, we provided the expression profiles and development of ncRNAs related to melanocyte and skin development in mice with black coat color skin and mice with white coat color skin during embryonic day 15 (E15) and postnatal day 7 (P7). The expression profiles of different ncRNAs were detected via RNA-seq and also confirmed by the quantitative real-time PCR (qRT-PCR) method. GO and KEGG used to analyze the function the related target genes. RESULTS We identified an extensive catalogue of 206 and 183 differently expressed miRNAs, 600 and 800 differently expressed lncRNAs, and 50 and 54 differently expressed circRNAs, respectively. GO terms and pathway analysis showed the target genes of differentially expressed miRNA and lncRNA. The host genes of circRNA were mainly enriched in cellular process, single organism process. The target genes of miRNAs were mainly enriched in chromatin binding and calcium ion binding in the nucleus. The function of genes related to lncRNAs are post translation modification. The competing endogenous RNA (ceRNA) network of lncRNAs and circRNAs displays a complex interaction between ncRNA and mRNA related to skin development, such as Tcf4, Gnas, and Gpnms related to melanocyte development. CONCLUSIONS The ceRNA network of lncRNA and circRNA displays a complex interaction between ncRNA and mRNA related to skin development and melanocyte development. The embryonic and postnatal development of skin provide a reference for further studies on the development mechanisms of ncRNA during pigmentation.
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Affiliation(s)
- Zhiwei Zhu
- College of Life Science, Shanxi Agricultural University, Taigu, 030801, China.
| | - Yueyue Ma
- College of Life Science, Shanxi Agricultural University, Taigu, 030801, China
| | - Yuan Li
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agriculture University, Beijing, 100094, China
| | - Pengfei Li
- College of Life Science, Shanxi Agricultural University, Taigu, 030801, China
| | - Zhixue Cheng
- College of Animal Science and Technology, Shanxi Agricultural University, Taigu, 030801, China
| | - Huifeng Li
- College of Life Science, Shanxi Agricultural University, Taigu, 030801, China
| | - Lihuan Zhang
- College of Life Science, Shanxi Agricultural University, Taigu, 030801, China
| | - Zhongwei Tang
- College of Life Science, Shanxi Agricultural University, Taigu, 030801, China
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Epidermal Stem Cells in Wound Healing and Regeneration. Stem Cells Int 2020; 2020:9148310. [PMID: 32399054 PMCID: PMC7204129 DOI: 10.1155/2020/9148310] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Accepted: 01/06/2020] [Indexed: 12/24/2022] Open
Abstract
Skin stem cells distributed in the basal layer of the epidermis and hair follicles are important cell sources for skin development, metabolism, and injury repair. At present, great progress has been made in the study of epidermal stem cells at the cellular and molecular levels. Stem cell transplantation is reported to promote skin healing, endothelial cell transformation, and vascular formation. Local stem cells can also be transformed into keratinocytes, sebaceous gland, and other skin-associated tissues. However, the mechanism of action of epidermal stem cells on wound healing and regeneration is not completely clear. This review is aimed at briefly summarizing the biological characteristics of epidermal stem cells and their clinical application in wound healing and tissue regeneration. It further discussed the mechanism of action and the development direction in the future.
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Molecular Biology of Basal and Squamous Cell Carcinomas. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1268:171-191. [PMID: 32918219 DOI: 10.1007/978-3-030-46227-7_9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The prevalent keratinocyte-derived neoplasms of the skin are basal cell carcinoma and squamous cell carcinoma. Both so-called non-melanoma skin cancers comprise the most common cancers in humans by far. Common risk factors for both tumor entities include sun exposure, DNA repair deficiencies leading to chromosomal instability, or immunosuppression. Yet, fundamental differences in the development of the two different entities have been and are currently unveiled. The constitutive activation of the sonic hedgehog signaling pathway by acquired mutations in the PTCH and SMO genes appears to represent the early basal cell carcinoma developmental determinant. Although other signaling pathways are also affected, small hedgehog inhibitory molecules evolve as the most promising basal cell carcinoma treatment options systemically as well as topically in current clinical trials. For squamous cell carcinoma development, mutations in the p53 gene, especially UV-induced mutations, have been identified as early events. Yet, other signaling pathways including epidermal growth factor receptor, RAS, Fyn, or p16INK4a signaling may play significant roles in squamous cell carcinoma development. The improved understanding of the molecular events leading to different tumor entities by de-differentiation of the same cell type has begun to pave the way for modulating new molecular targets therapeutically with small molecules.
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Ge M, Liu C, Li L, Lan M, Yu Y, Gu L, Su Y, Zhang K, Zhang Y, Wang T, Liu C, Liu F, Li M, Xiong L, Wang K, He T, Dai Y, Zhao Y, Li N, Yu Z, Meng Q. miR-29a/b1 Inhibits Hair Follicle Stem Cell Lineage Progression by Spatiotemporally Suppressing WNT and BMP Signaling. Cell Rep 2019; 29:2489-2504.e4. [DOI: 10.1016/j.celrep.2019.10.062] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Revised: 07/09/2019] [Accepted: 10/14/2019] [Indexed: 12/11/2022] Open
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Xiao C, Wang K, Xu Y, Hu H, Zhang N, Wang Y, Zhong Z, Zhao J, Li Q, Zhu D, Ke C, Zhong S, Wu X, Yu H, Zhu W, Chen J, Zhang J, Wang J, Hu X. Transplanted Mesenchymal Stem Cells Reduce Autophagic Flux in Infarcted Hearts via the Exosomal Transfer of miR-125b. Circ Res 2019; 123:564-578. [PMID: 29921652 DOI: 10.1161/circresaha.118.312758] [Citation(s) in RCA: 180] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
RATIONALE Autophagy can preserve cell viability under conditions of mild ischemic stress by degrading damaged organelles for ATP production, but under conditions of severe ischemia, it can promote cell death and worsen cardiac performance. Mesenchymal stem cells (MSCs) are cardioprotective when tested in animal models of myocardial infarction, but whether these benefits occur through the regulation of autophagy is unknown. OBJECTIVE To determine whether transplanted MSCs reduce the rate of autophagic degradation (autophagic flux) in infarcted hearts and if so, to characterize the mechanisms involved. METHODS AND RESULTS Treatment with transplanted MSCs improved cardiac function and infarct size while reducing apoptosis and measures of autophagic flux (bafilomycin A1-induced LC3-II [microtubule-associated protein 1 light chain 3] accumulation and autophagosome/autolysosome prevalence) in infarcted mouse hearts. In hypoxia and serum deprivation-cultured neonatal mouse cardiomyocytes, autophagic flux and cell death, as well as p53-Bnip3 (B-cell lymphoma 2-interacting protein 3) signaling, declined when the cells were cultured with MSCs or MSC-secreted exosomes (MSC-exo), but the changes associated with MSC-exo were largely abolished by pretreatment with the exosomal inhibitor GW4869. Furthermore, a mimic of the exosomal oligonucleotide miR-125b reduced, whereas an anti-miR-125b oligonucleotide increased, autophagic flux and cell death, via modulating p53-Bnip3 signaling in hypoxia and serum deprivation-cultured neonatal mouse cardiomyocytes. In the in vivo mouse myocardial infarction model, MSC-exo, but not the exosomes obtained from MSCs pretreated with the anti-miR-125b oligonucleotide (MSC-exoanti-miR-125b), recapitulated the same results as the in vitro experiments. Moreover, measurements of infarct size and cardiac function were significantly better in groups that were treated with MSC-exo than the MSC-exoanti-miR-125b group. CONCLUSIONS The beneficial effects offered by MSC transplantation after myocardial infarction are at least partially because of improved autophagic flux through excreted exosome containing mainly miR-125b-5p.
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Affiliation(s)
- Changchen Xiao
- From the Department of Cardiology, Second Affiliated Hospital, College of Medicine (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.).,Zhejiang University, Hangzhou, China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.)
| | - Kan Wang
- From the Department of Cardiology, Second Affiliated Hospital, College of Medicine (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.).,Zhejiang University, Hangzhou, China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.)
| | - Yinchuan Xu
- From the Department of Cardiology, Second Affiliated Hospital, College of Medicine (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.).,Zhejiang University, Hangzhou, China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.)
| | - Hengxun Hu
- From the Department of Cardiology, Second Affiliated Hospital, College of Medicine (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.).,Zhejiang University, Hangzhou, China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.)
| | - Na Zhang
- From the Department of Cardiology, Second Affiliated Hospital, College of Medicine (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.).,Zhejiang University, Hangzhou, China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.)
| | - Yingchao Wang
- From the Department of Cardiology, Second Affiliated Hospital, College of Medicine (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.).,Zhejiang University, Hangzhou, China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.)
| | - Zhiwei Zhong
- From the Department of Cardiology, Second Affiliated Hospital, College of Medicine (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.).,Zhejiang University, Hangzhou, China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.)
| | - Jing Zhao
- From the Department of Cardiology, Second Affiliated Hospital, College of Medicine (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.).,Zhejiang University, Hangzhou, China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.)
| | - Qingju Li
- From the Department of Cardiology, Second Affiliated Hospital, College of Medicine (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.).,Zhejiang University, Hangzhou, China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.)
| | - Dan Zhu
- From the Department of Cardiology, Second Affiliated Hospital, College of Medicine (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.).,Zhejiang University, Hangzhou, China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.)
| | - Changle Ke
- From the Department of Cardiology, Second Affiliated Hospital, College of Medicine (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.).,Zhejiang University, Hangzhou, China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.)
| | - Shuhan Zhong
- From the Department of Cardiology, Second Affiliated Hospital, College of Medicine (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.).,Zhejiang University, Hangzhou, China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.)
| | - Xianpeng Wu
- From the Department of Cardiology, Second Affiliated Hospital, College of Medicine (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.).,Zhejiang University, Hangzhou, China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.)
| | - Hong Yu
- From the Department of Cardiology, Second Affiliated Hospital, College of Medicine (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.).,Zhejiang University, Hangzhou, China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.)
| | - Wei Zhu
- From the Department of Cardiology, Second Affiliated Hospital, College of Medicine (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.).,Zhejiang University, Hangzhou, China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.)
| | - Jinghai Chen
- From the Department of Cardiology, Second Affiliated Hospital, College of Medicine (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.).,Institute of Translational Medicine (J.C.).,Zhejiang University, Hangzhou, China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.)
| | - Jianyi Zhang
- Department of Biomedical Engineering, University of Alabama at Birmingham (J.Z.)
| | - Jian'an Wang
- From the Department of Cardiology, Second Affiliated Hospital, College of Medicine (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.).,Zhejiang University, Hangzhou, China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.)
| | - Xinyang Hu
- From the Department of Cardiology, Second Affiliated Hospital, College of Medicine (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.).,Zhejiang University, Hangzhou, China; Cardiovascular Key Laboratory of Zhejiang Province, Hangzhou, China (C.X., K.W., Y.X., H.H., N.Z., Y.W., Z.Z., J.Z., Q.L., D.Z., C.K., S.Z., X.W., H.Y., W.Z., J.C., J.W., X.H.)
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45
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Guo H, Du X, Zhang Y, Wu J, Wang C, Li M, Hua X, Zhang XA, Yan J. Specific miRNA-G Protein-Coupled Receptor Networks Regulate Sox9a/Sox9b Activities to Promote Gonadal Rejuvenation in Zebrafish. Stem Cells 2019; 37:1189-1199. [DOI: 10.1002/stem.3040] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 04/17/2019] [Accepted: 05/04/2019] [Indexed: 12/16/2022]
Affiliation(s)
- Huiping Guo
- Department of Developmental Biology; Institute for Marine Biosystem and Neurosciences; People's Republic of China
| | - Xinlu Du
- Department of Developmental Biology; Institute for Marine Biosystem and Neurosciences; People's Republic of China
| | - Ying Zhang
- Department of Developmental Biology; Institute for Marine Biosystem and Neurosciences; People's Republic of China
| | - Jiacheng Wu
- Department of Developmental Biology; Institute for Marine Biosystem and Neurosciences; People's Republic of China
| | - Chenghui Wang
- Department of Aquaculture; Shanghai Ocean University; Lingang New City, Shanghai People's Republic of China
| | - Mingyou Li
- Department of Developmental Biology; Institute for Marine Biosystem and Neurosciences; People's Republic of China
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources; Ministry of Education; Shanghai People's Republic of China
| | - Xianxin Hua
- Department of Cancer Biology; University of Pennsylvania Perelman School of Medicine; Philadelphia, Pennsylvania USA
| | - Xin A. Zhang
- Stephenson Cancer Center and Department of Physiology; The University of Oklahoma Health Sciences Center; Oklahoma City Oklahoma USA
| | - Jizhou Yan
- Department of Developmental Biology; Institute for Marine Biosystem and Neurosciences; People's Republic of China
- Key Laboratory of Exploration and Utilization of Aquatic Genetic Resources; Ministry of Education; Shanghai People's Republic of China
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46
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Pan M, Huang Y, Zhu X, Lin X, Luo D. miR‑125b‑mediated regulation of cell proliferation through the Jagged‑1/Notch signaling pathway by inhibiting BRD4 expression in psoriasis. Mol Med Rep 2019; 19:5227-5236. [PMID: 31059052 PMCID: PMC6522879 DOI: 10.3892/mmr.2019.10187] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Accepted: 01/03/2019] [Indexed: 12/14/2022] Open
Abstract
Psoriasis is a chronic inflammatory disease characterized by the abnormal differentiation and hyperproliferation of epidermal keratinocytes. The aim of the present study was to investigate the mechanism by which microRNA‑125b (miR‑125b) inhibits the activation of the bromodomain‑containing protein 4 (BRD4)/Notch signaling pathway in psoriasis. The contents of associated miRNAs in serum samples from 32 patients with psoriasis were detected by reverse transcription‑quantitative polymerase chain reaction (RT‑qPCR). The most significantly downregulated miRNA, miR‑125b, was screened out. In experiments using HaCaT cells, the association between miR‑125b and cell proliferation was observed using a Cell Counting Kit‑8 assay, that between miR‑125b and the Notch signaling pathway was observed by western blotting and RT‑qPCR, and that between miR‑125b and the upstream molecule BRD4 of the Notch signaling pathway was observed by luciferase reporter assay and western blotting. The proliferation of HaCaT cells became apparent following miR‑125b inhibition. The Jagged‑1 ligand in the Notch signaling pathway was upregulated, the active intracellular domain of the Notch1 receptor was increasingly truncated, and the Notch signaling pathway was activated. Furthermore, the inhibited miR‑125b contributed directly toward the upstream protein BRD4 3'‑UTR of Jagged‑1, ultimately activating the Notch signaling pathway with the upregulation of Jagged‑1. In conclusion, the proliferation of HaCaT cells mediated by the Jagged‑1/Notch signaling pathway was decreased with the miR‑125b‑mediated inhibition of BRD4 expression. Therefore, miR‑125b may be a biomarker and potential therapeutic target for psoriasis treatment.
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Affiliation(s)
- Min Pan
- Department of Dermatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
| | - Yao Huang
- Institute of Sport Medicine, Affiliated Hospital of Nanjing University of TCM, Nanjing, Jiangsu 210023, P.R. China
| | - Xiaofang Zhu
- Department of Dermatology, Northern Jiangsu Province Hospital, Yangzhou, Jiangsu 225001, P.R. China
| | - Xiangfei Lin
- Department of Dermatology, Northern Jiangsu Province Hospital, Yangzhou, Jiangsu 225001, P.R. China
| | - Dan Luo
- Department of Dermatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210029, P.R. China
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47
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Xihua L, Shengjie T, Weiwei G, Matro E, Tingting T, Lin L, Fang W, Jiaqiang Z, Fenping Z, Hong L. Circulating miR-143-3p inhibition protects against insulin resistance in Metabolic Syndrome via targeting of the insulin-like growth factor 2 receptor. Transl Res 2019; 205:33-43. [PMID: 30392876 DOI: 10.1016/j.trsl.2018.09.006] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 09/24/2018] [Accepted: 09/28/2018] [Indexed: 12/14/2022]
Abstract
Metabolic syndrome (MetS) is characterized by a cluster of metabolic disorders including obesity, dyslipidemia, hyperglycemia, and hypertension. Here, we report that 27 microRNAs were found to be expressed differently in serum and urine samples of MetS patients compared to control subjects on microarray analysis. Further qualitative real time- polymerase chain reaction analyses confirmed that circulating levels of miR-143-3p were significantly elevated in MetS patients compared with controls, both in serum and urine samples. After accounting for confounding factors, high levels of miR-143-3p remained an independent risk factor for insulin resistance. Inhibition of miR-143-3p expression in mice protected against development of obesity-associated insulin resistance. Furthermore, we demonstrated that insulin-like growth factor 2 receptor (IGF2R) was among the target genes of miR-143-3p by searching 3 widely used bioinformatics databases and preliminary validation. Our experiments suggest that knockdown of circulating miR-143-3p may protect against insulin resistance in the setting of MetS via targeting of IGF2R and activation of the insulin signaling pathway. Our results characterize the miR-143-3p-IGF2R pathway as a potential target for the treatment of obesity-associated insulin resistance.
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Affiliation(s)
- Lin Xihua
- Department of Endocrinology, the Affliated Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, China; Biomedical Research Center and Key Laboratory of Biotherapy of Zhejiang Province, the Affliated Sir Run Run Shaw Hospital, Zhejiang University, Hangzhou, China
| | - Tang Shengjie
- Department of Endocrinology, the Affliated Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Gui Weiwei
- Department of Endocrinology, the Affliated Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Erik Matro
- College of Medicine, Zhejiang University, Hangzhou, China
| | - Tao Tingting
- Department of Endocrinology, the Affliated Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Li Lin
- Department of Endocrinology, the Affliated Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Wu Fang
- Department of Endocrinology, the Affliated Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Zhou Jiaqiang
- Department of Endocrinology, the Affliated Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Zheng Fenping
- Department of Endocrinology, the Affliated Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Li Hong
- Department of Endocrinology, the Affliated Sir Run Run Shaw Hospital, College of Medicine, Zhejiang University, Hangzhou, China.
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48
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Chen Y, Zhao B, Liu M, Wang J, Qiu X, Zhu C, Wu X. MicroRNAs Profiling Identifies miR-125a and Its Target Gene Wnt2 in Skins of Different Haired Rabbits. Front Genet 2018; 9:628. [PMID: 30619457 PMCID: PMC6295454 DOI: 10.3389/fgene.2018.00628] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Accepted: 11/23/2018] [Indexed: 11/21/2022] Open
Abstract
MicroRNAs (miRNAs) play critical roles in the control of skin and hair follicle development, epidermal homeostasis and pigmentation. However, the roles of miRNAs in the skins of rabbits with different hair types are unclear. In this study, we profiled miRNAs in the skins of long and short haired rabbits by Illumina deep sequencing. The dataset was compared with known mammalian miRNAs in miRBase 21.0. In total, 118 miRNAs were found to be differentially expressed between the two different rabbit types, of which 94 were upregulated, and 24 were downregulated in the skin of short haired vs. long haired rabbits. The expression levels of five randomly selected miRNAs detected by quantitative real-time PCR indicated that the expression patterns were consistent with Illumina sequencing results. What's more, bioinformatics analysis showed that miR-125a might target Wnt2, an important modulator for hair follicle development. To test whether Wnt2 is a target of miR-125a, luciferase reporter vector (pMir-report-Wnt2-3'-UTR-WT) and its substitution mutant (pMir-report-Wnt2-3'-UTR-MUT) were constructed. Co-transfection and reporter enzyme assays showed that compared with control (miR-125a NC transfection), miR-125a mimics transfection significantly inhibited the reporter luciferase activities expressed by pMir-report-Wnt2-3'-UTR-WT, while transfection of miR-125a inhibitors increased reporter enzyme activities. RT-PCR and Simple Western analysis found that Wnt2 mRNA and protein levels were induced or repressed by miR-125a overexpression or inhibition, respectively. Moreover, the mRNA expression levels of genes in Wnt signaling pathway, such as CTNNB1, LEF-1, PPARD and TGFB1, were also significantly changed (P < 0.05), consistent with Wnt2. It indicated that the regulation of Wnt2 expression by miRNAs may depend on the transcriptional degradation. The results will help to further understand the role of miRNAs in hair follicle development and the genetic mechanism underlying hair length phenotype.
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Affiliation(s)
- Yang Chen
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Bohao Zhao
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Ming Liu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Jingyi Wang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | - Xiaoqing Qiu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
| | | | - Xinsheng Wu
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
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49
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Mokabber H, Najafzadeh N, Mohammadzadeh Vardin M. miR‐124
promotes neural differentiation in mouse bulge stem cells by repressing
Ptbp1
and
Sox9. J Cell Physiol 2018; 234:8941-8950. [DOI: 10.1002/jcp.27563] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Accepted: 09/13/2018] [Indexed: 01/08/2023]
Affiliation(s)
- Haleh Mokabber
- Department of Anatomical Sciences and Pathology Research Laboratory for Embryology and Stem Cells, Ardabil University of Medical Sciences Ardabil Iran
- Department of Biology Fars Science and Research Branch, Islamic Azad University Fars Iran
| | - Nowruz Najafzadeh
- Department of Anatomical Sciences and Pathology Research Laboratory for Embryology and Stem Cells, Ardabil University of Medical Sciences Ardabil Iran
| | - Mohammad Mohammadzadeh Vardin
- Department of Anatomical Sciences and Pathology Research Laboratory for Embryology and Stem Cells, Ardabil University of Medical Sciences Ardabil Iran
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50
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Dietrich C, Singh M, Kumar N, Singh SR. The Emerging Roles of microRNAs in Stem Cell Aging. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1056:11-26. [PMID: 29754172 DOI: 10.1007/978-3-319-74470-4_2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Aging is the continuous loss of tissue and organ function over time. MicroRNAs (miRNAs) are thought to play a vital role in this process. miRNAs are endogenous small noncoding RNAs that control the expression of target mRNA. They are involved in many biological processes such as developmental timing, differentiation, cell death, stem cell proliferation and differentiation, immune response, aging and cancer. Accumulating studies in recent years suggest that miRNAs play crucial roles in stem cell division and differentiation. In the present chapter, we present a brief overview of these studies and discuss their contributions toward our understanding of the importance of miRNAs in normal and aged stem cell function in various model systems.
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Affiliation(s)
- Catharine Dietrich
- Stem Cell Regulation and Animal Aging Section, Basic Research Laboratory, National Cancer Institute, Frederick, MD, USA
| | - Manish Singh
- Mouse Cancer Genetics Program, National Cancer Institute, Frederick, MD, USA
| | - Nishant Kumar
- Hospitalist Division, Department of Medicine, Inova Fairfax Medical Campus, Falls Church, VA, USA
| | - Shree Ram Singh
- Stem Cell Regulation and Animal Aging Section, Basic Research Laboratory, National Cancer Institute, Frederick, MD, USA.
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