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https://www.readbyqxmd.com/read/27880068/human-hair-follicle-associated-pluripotent-hhap-stem-cells-differentiate-to-cardiac-muscle-cells
#1
Natsuko Tohgi, Koya Obara, Masateru Yashiro, Yuko Hamada, Nobuko Arakawa, Sumiyuki Mii, Ryoichi Aki, Robert M Hoffman, Yasuyuki Amoh
We have previously demonstrated that the nestin-expressing hair follicle-associated-pluripotent (HAP) stem cells are located in the bulge area. HAP stem cells have been previously shown to differentiate to neurons, glial cells, keratinocytes, smooth-muscle cells, melanocytes and cardiac-muscle cells in vitro. Subsequently, we demonstrated that HAP stem cells could effect nerve and spinal cord regeneration in mouse models, differentiating to Schwann cells and neurons. In previous studies, we established an efficient protocol for the differentiation of cardiac-muscle cells from mouse HAP stem cells...
November 23, 2016: Cell Cycle
https://www.readbyqxmd.com/read/27867768/induced-pluripotent-stem-cells-from-human-hair-follicle-keratinocytes-as-a-potential-source-for-in-vitro-hair-follicle-cloning
#2
Sheng Jye Lim, Shu Cheow Ho, Pooi Ling Mok, Kian Lee Tan, Alan H K Ong, Seng Chiew Gan
BACKGROUND: Human hair follicles are important for the renewal of new hairs and their development. The generation of induced pluripotent stem cells (iPSCs) from hair follicles is easy due to its accessibility and availability. The pluripotent cells derived from hair follicles not only have a higher tendency to re-differentiate into hair follicles, but are also more suited for growth in hair scalp tissue microenvironment. METHODS: In this study, human hair follicular keratinocytes were used to generate iPSCs, which were then further differentiated in vitro into keratinocytes...
2016: PeerJ
https://www.readbyqxmd.com/read/27837565/cryopreservation-of-hair-follicle-associated-pluripotent-hap-stem-cells-maintains-differentiation-and-hair-growth-potential
#3
Robert M Hoffman, Satoshi Kajiura, Wenluo Cao, Fang Liu, Yasuyuki Amoh
Hair follicles contain nestin-expressing pluripotent stem cells which originate above the bulge area of the follicle, below the sebaceous gland. We have termed these cells hair follicle-associated pluripotent (HAP) stem cells. We have established efficient cryopreservation methods of the hair follicle that maintain the pluripotency of HAP stem cells as well as hair growth. We cryopreserved the whole hair follicle by slow-rate cooling in TC-Protector medium or in DMSO-containing medium and storage in liquid nitrogen or at -80 °C...
2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27627796/hypoxia-enhances-differentiation-of-hair-follicle-associated-pluripotent-hap-stem-cells-to-cardiac-muscle-cells
#4
Kyoumi Shirai, Yuko Hamada, Nobuko Arakawa, Aiko Yamazaki, Natsuko Tohgi, Ryoichi Aki, Sumiyuki Mii, Robert M Hoffman, Yasuyuki Amoh
We have previously demonstrated that the neural stem-cell marker nestin is expressed in hair follicle stem cells located in the bulge area which are termed hair-follicle-associated pluripotent (HAP) stem cells. HAP stem cells from mouse and human could form spheres in culture, termed hair spheres, which are keratin 15-negative and CD34-positive and could differentiate to neurons, glia, keratinocytes, smooth muscle cells, and melanocytes in vitro. Subsequently, we demonstrated that nestin-expressing stem cells could effect nerve and spinal cord regeneration in mouse models...
September 14, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27550649/transcriptome-and-proteome-characterization-of-surface-ectoderm-cells-differentiated-from-human-ipscs
#5
Ying Qu, Bo Zhou, Wei Yang, Bingchen Han, Yi Yu-Rice, Bowen Gao, Jeffery Johnson, Clive N Svendsen, Michael R Freeman, Armando E Giuliano, Dhruv Sareen, Xiaojiang Cui
Surface ectoderm (SE) cells give rise to structures including the epidermis and ectodermal associated appendages such as hair, eye, and the mammary gland. In this study, we validate a protocol that utilizes BMP4 and the γ-secretase inhibitor DAPT to induce SE differentiation from human induced pluripotent stem cells (hiPSCs). hiPSC-differentiated SE cells expressed markers suggesting their commitment to the SE lineage. Computational analyses using integrated quantitative transcriptomic and proteomic profiling reveal that TGFβ superfamily signaling pathways are preferentially activated in SE cells compared with hiPSCs...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27431257/protocols-for-cryopreservation-of-intact-hair-follicle-that-maintain-pluripotency-of-nestin-expressing-hair-follicle-associated-pluripotent-hap-stem-cells
#6
Satoshi Kajiura, Sumiyuki Mii, Ryoichi Aki, Yuko Hamada, Nobuko Arakawa, Katsumasa Kawahara, Lingna Li, Kensei Katsuoka, Robert M Hoffman, Yasuyuki Amoh
Hair follicles contain nestin-expressing pluripotent stem cells, the origin of which is above the bulge area, below the sebaceous gland. We have termed these cells hair-follicle-associated pluripotent (HAP) stem cells. Cryopreservation methods of the hair follicle that maintain the pluripotency of HAP stem cells are described in this chapter. Intact hair follicles from green fluorescent protein (GFP) transgenic mice were cryopreserved by slow-rate cooling in TC-Protector medium and storage in liquid nitrogen...
2016: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27431256/highly-efficient-neural-differentiation-of-cd34-positive-hair-follicle-associated-pluripotent-stem-cells-induced-by-retinoic-acid-and-serum-free-medium
#7
Mohsen Sagha, Nowruz Najafzadeh
Neural differentiation of hair-follicle-associated pluripotent (HAP) stem cells residing in the bulge area is a promising autologous source for stem cell therapy. In the present chapter, we describe the identification and enrichment of CD34(+) HAP stem cells by magnetic-activated cell sorting (MACS), and induce them to differentiate into neuronal and glial cells using defined neural-induction media. The different neural cell populations arising during in vitro differentiation from HAP stem cells are characterized by reverse transcription polymerase chain reaction (RT-PCR) and immunocytochemistry assay...
2016: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27431255/protocols-for-efficient-differentiation-of-hair-follicle-associated-pluripotent-hap-stem-cells-to-beating-cardiac-muscle-cells
#8
Masateru Yashiro, Sumiyuki Mii, Ryoichi Aki, Yuko Hamada, Nobuko Arakawa, Katsumasa Kawahara, Robert M Hoffman, Yasuyuki Amoh
We have previously demonstrated that the nestin-expressing cells from the upper part of the hair follicle can differentiate to neurons and other cell types. We have termed these cells as hair-associated-pluripotent (HAP) stem cells. In the present chapter, we describe methods for HAP stem cells to differentiate to beating cardiac muscle cells. The mouse vibrissa hair follicle was divided into three parts (upper, middle, and lower), and each part was suspended separately in DMEM containing 10 % fetal bovine serum (FBS)...
2016: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27431254/protocols-for-gelfoam-%C3%A2-histoculture-of-hair-shaft-producing-mouse-whisker-follicles-containing-nestin-gfp-expressing-hair-follicle-associated-pluripotent-hap-stem-cells-for-long-time-periods
#9
Wenluo Cao, Fang Liu, Yasuyuki Amoh, Robert M Hoffman
Gelfoam(®)-histocultured whisker follicles from nestin-driven-green fluorescent protein (ND-GFP) mice produced growing pigmented and unpigmented hair shafts. Hair-shaft length increased rapidly by day 4 and continued growing until at least day 12 after which the hair-shaft length was constant. By day 63 in histoculture, the number of ND-GFP hair follicle-associated pluripotent (HAP) stem cells increased significantly and the follicles were intact. Three-dimensional Gelfoam(®) histoculture of hair follicles can provide a very long-term period for evaluating novel agents to promote hair growth...
2016: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27431253/protocols-for-ectopic-hair-growth-from-transplanted-whisker-follicles-on-the-spinal-cord-of-mice
#10
Wenluo Cao, Fang Liu, Yasuyuki Amoh, Robert M Hoffman
Isolated whisker follicles from nestin-driven green fluorescent protein (ND-GFP) mice, containing hair-associated pluripotent (HAP) stem cells, were histocultured in three dimensions on Gelfoam(®) for 3 weeks for subsequent transplantation to the spinal cord in order to heal an induced injury with the HAP stem cells. The hair shafts were removed from Gelfoam(®)-histocultured whisker follicles, and the remaining parts of the whisker follicles, containing GFP-nestin-expressing (HAP) stem cells, were transplanted into the injured spinal cord of nude mice, along with the Gelfoam(®)...
2016: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27431246/isolation-and-culture-of-neural-crest-stem-cells-from-human-hair-follicles
#11
Ruifeng Yang, Xiaowei Xu
The hair follicle undergoes lifelong cycling and growth. Previous studies have been focused on epithelial stem cells in the hair follicles. Neural crest stem cells (NCSCs) are pluripotent cells that can persist in adult tissues. We have previously demonstrated that human NCSCs can be isolated from hair follicles. Here, we present a protocol to isolate NCSCs from human hair follicles based on their specific surface-marker expression of CD271/HNK1 or CD271/CD49D (alpha4 integrin). NCSCs can be expanded in the culture as neural spheres or attached cells...
2016: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27431245/nestin-expressing-hair-follicle-associated-pluripotent-hap-stem-cells-promote-whisker-sensory-nerve-growth-in-long-term-3d-gelfoam%C3%A2-histoculture
#12
Sumiyuki Mii, Jennifer Duong, Yasunori Tome, Aisada Uchugonova, Fang Liu, Yasuyuki Amoh, Norimitsu Saito, Kensei Katsuoka, Robert M Hoffman
Mouse whiskers containing hair-follicle-associated pluripotent (HAP) stem cells, from nestin-driven green fluorescent protein (ND-GFP) transgenic mice, were placed in 3D histoculture supported by Gelfoam(®). β-III tubulin-positive fibers, consisting of ND-GFP-expressing HAP stem cells, extended up to 500 mm from the whisker nerve stump in histoculture. The growing fibers had growth cones on their tips expressing F-actin indicating they were growing axons. The growing whisker sensory nerve was highly enriched in ND-GFP HAP stem cells which appeared to play a major role in its elongation and interaction with other nerves placed in 3D culture, including the sciatic nerve, the trigeminal nerve, and the trigeminal nerve ganglion...
2016: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27431243/peripheral-nerve-and-spinal-cord-regeneration-in-mice-using-hair-follicle-associated-pluripotent-hap-stem-cells
#13
Yasuyuki Amoh, Kensei Katsuoka, Robert M Hoffman
Nestin, a neural stem cell marker protein, is expressed in hair follicle cells above the bulge area. These nestin-positive hair follicle-associated-pluripotent (HAP) stem cells are negative for the keratinocyte marker K15 and can differentiate into neurons, glia, keratinocytes, smooth muscle cells, cardiac muscle cells, and melanocytes in vitro. HAP stem cells are positive for the stem cell marker CD34, as well as K15-negative, suggesting their relatively undifferentiated state. HAP stem cells promoted the functional recovery of injured peripheral nerves and the spinal cord...
2016: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27431242/discovery-of-hap-stem-cells
#14
Lingna Li, Robert M Hoffman
Cells expressing the stem cell marker, nestin, were selectively labeled in transgenic mice by placing green fluorescent protein (GFP) under the control of the nestin promoter in transgenic mice. In these transgenic mice, neural and other stem cells brightly expressed GFP. The mice were termed nestin-driven GFP (ND-GFP) mice. During early anagen or growth phase of the hair follicle, ND-GFP appeared in the permanent upper hair follicle immediately below the sebaceous glands in the follicle bulge. The relatively small, oval-shaped, nestin-expressing cells in the bulge area surrounded the hair shaft and were interconnected by short dendrites...
2016: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27431240/introduction-to-hair-follicle-associated-pluripotent-stem-cells
#15
Robert M Hoffman
Nestin-expressing stem cells of the hair follicle, discovered by our laboratory, have been shown to be able to form outer-root sheaths of the follicle as well as neurons and many other non-follicle cell types. We have termed the nestin-expressing stem cells of the hair follicle as hair-follicle-associated pluripotent (HAP) stem cells. We have shown that the HAP stem cells from the hair follicle can effect the repair of peripheral nerve and spinal cord injury. The hair follicle stem cells differentiate into neuronal and glial cells after transplantation to the injured peripheral nerve and spinal cord, and enhance injury repair and locomotor recovery...
2016: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27428074/early-age-dependent-selective-decrease-of-differentiation-potential-of-hair-follicle-associated-pluripotent-hap-stem-cells-to-beating-cardiac-muscle-cells
#16
Aiko Yamazaki, Yuko Hamada, Nobuko Arakawa, Masateru Yashiro, Sumiyuki Mii, Ryoichi Aki, Katsumasa Kawahara, Robert M Hoffman, Yasuyuki Amoh
We have previously discovered nestin-expressing hair-follicle-associated pluripotent (HAP) stem cells and have shown that they can differentiate to neurons, glia, and many other cell types. HAP stem cells can be used for nerve and spinal cord repair. We have recently shown the HAP stem cells can differentiate to beating heart-muscle cells and tissue sheets of beating heart-muscle cells. In the present study, we determined the efficiency of HAP stem cells from mouse vibrissa hair follicles of various ages to differentiate to beating heart-muscle cells...
October 2016: Cell Cycle
https://www.readbyqxmd.com/read/27415403/-miniguts-from-plucked-human-hair-meet-crohn-s-disease
#17
M Hohwieler, S Renz, S Liebau, Q Lin, A Lechel, J Klaus, L Perkhofer, M Zenke, T Seufferlein, A Illing, M Müller, A Kleger
Human pluripotent stem cells represent a powerful tool to study human embryonic development and disease but also open up novel strategies for cell replacement therapies. Their capacity to give rise to every cell type of the human body, meanwhile, enables researchers to generate high yields of mesodermal, ectodermal, but also endodermal-derived tissues such as hepatic, pancreatic, or intestinal cells. Another progress in the field came with the advent of 3-dimensional culture conditions, so-called organoids, which facilitate maturation of stem cells and in turn more faithfully recapitulate human tissue architecture...
August 2016: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/27364919/expression-of-pluripotency-markers-in-arbas-cashmere-goat-hair-follicle-stem-cells
#18
Nimantana He, Zhenguo Dong, Bing Zhu, Mingtu Nuo, Shorgan Bou, Dongjun Liu
In our previous work, we found that the Inner Mongolia Arbas Cashmere goat hair follicle stem cells (gHFSCs) can be successfully differentiated into adipocyte, chondrocyte, and osteocyte lineages. In this study, we further examined the expression of the pluripotency and stemness markers Oct4, Nanog, Sox2, AKP, and TERT in gHFSCs by immunocytochemistry, flow cytometry, real-time PCR, and Western blot. Immunofluorescent staining showed that the gHFSCs were positive for all five markers. Fluorescence-activated cell sorting (FACS) further analyzed the positive expression of Oct4, Nanog, and Sox2 in the gHFSCs...
August 2016: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/27196942/regenerative-therapy-for-vestibular-disorders-using-human-induced-pluripotent-stem-cells-ipscs-neural-differentiation-of-human-ipsc-derived-neural-stem-cells-after-in-vitro-transplantation-into-mouse-vestibular-epithelia
#19
Akiko Taura, Noriyuki Nakashima, Hiroe Ohnishi, Takayuki Nakagawa, Kazuo Funabiki, Juichi Ito, Koichi Omori
OBJECTIVES: Vestibular ganglion cells, which convey sense of motion from vestibular hair cells to the brainstem, are known to degenerate with aging and after vestibular neuritis. Thus, regeneration of vestibular ganglion cells is important to aid in the recovery of balance for associated disorders. METHODS: The present study derived hNSCs from induced pluripotent stem cells (iPSCs) and transplanted these cells into mouse utricle tissues. After a 7-day co-culture period, histological and electrophysiological examinations of transplanted hNSCs were performed...
October 2016: Acta Oto-laryngologica
https://www.readbyqxmd.com/read/27104748/isoproterenol-directs-hair-follicle-associated-pluripotent-hap-stem-cells-to-differentiate-in-vitro-to-cardiac-muscle-cells-which-can-be-induced-to-form-beating-heart-muscle-tissue-sheets
#20
Aiko Yamazaki, Masateru Yashiro, Sumiyuki Mii, Ryoichi Aki, Yuko Hamada, Nobuko Arakawa, Katsumasa Kawahara, Robert M Hoffman, Yasuyuki Amoh
Nestin-expressing hair-follicle-associated pluripotent (HAP) stem cells are located in the bulge area of the follicle. Previous studies have shown that HAP stem cells can differentiate to neurons, glia, keratinocytes, smooth muscle cells, and melanocytes in vitro. HAP stem cells effected nerve and spinal cord regeneration in mouse models. Recently, we demonstrated that HAP stem cells differentiated to beating cardiac muscle cells. The differentiation potential to cardiac muscle cells was greatest in the upper part of the follicle...
2016: Cell Cycle
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