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CCN1 keratinocyte

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https://www.readbyqxmd.com/read/28602508/cyr61-ccn1-induces-ccl20-production-by-keratinocyte-via-activating-p38-and-jnk-ap-1-pathway-in-psoriasis
#1
Huidan Li, Haichuan Li, Rongfen Huo, Pinru Wu, Zhengyu Shen, Hui Xu, Baihua Shen, Ningli Li
BACKGROUND: Psoriasis is a common chronic skin disease characterized by epidermal hyperplasia and inflammation. Cysteine-rich angiogenic inducer 61 (Cyr61/CCN1) has recently been implicated in psoriasis pathogenesis by promoting keratinocyte activation. However, the mechanisms by which CCN1 enhances cutaneous inflammation are not fully understood. OBJECTIVE: In this study, we investigated the role of CCN1 on the expression of CCL20 in human keratinocyte. METHODS AND RESULTS: By double-label immunofluorescence staining, we first identified that the expression of CCN1 colocalized well with CCL20 production in the epidermis of psoriasis skin lesion...
October 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28266627/ccn1-promotes-il-1%C3%AE-production-in-keratinocytes-by-activating-p38-mapk-signaling-in-psoriasis
#2
Yue Sun, Jie Zhang, Tianhang Zhai, Huidan Li, Haichuan Li, Rongfen Huo, Baihua Shen, Beiqing Wang, Xiangdong Chen, Ningli Li, Jialin Teng
CCN1, an extracellular protein also known as cysteine-rich protein 61 (Cyr61), is a novel pro-inflammatory factor involved in the pathogenesis of rheumatoid arthritis. As an inflammatory disease, psoriasis is characterized by keratinocyte activation-induced epidermal hyperplasia and cytokine-mediated inflammation. We demonstrated in our previous study that CCN1 promoted keratinocyte activation in psoriasis. However, the role of CCN1 in regulating inflammation in psoriasis is still unknown. Here, we showed that CCN1 increased inflammatory cytokine IL-1β production in keratinocytes...
March 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28054013/the-profile-of-cyr61-expression-data-correlate-to-the-skin-inflammation-in-psoriasis
#3
Pinru Wu, Gang Ma, Ningli Li
The data presented in this article are related to the research article entitled "Cyr61/CCN1 is involved in the pathogenesis of psoriasis vulgaris via promoting IL-8 production by keratinocytes in a JNK/NF-κB pathway" (Pinru Wu, Gang Ma, Xianjin Zhu, Ting Gu, Jie Zhang, Yue Sun, Hui Xu, Rongfen Huo, Beiqing Wang, Baihua Shen, Xiangdong Chen, Ningli Li, 2016) [1]. Cysteine-rich 61 (Cyr61/CCN1), a secreted extracellular matrix protein, is a novel proinflammatory factor. In this dataset skin samples from normal donors and psoriasis vulgaris patients were examined the expression of Cyr61 and IL-8 using immunohistochemistry...
February 2017: Data in Brief
https://www.readbyqxmd.com/read/27856305/cyr61-ccn1-is-involved-in-the-pathogenesis-of-psoriasis-vulgaris-via-promoting-il-8-production-by-keratinocytes-in-a-jnk-nf-%C3%AE%C2%BAb-pathway
#4
Pinru Wu, Gang Ma, Xianjin Zhu, Ting Gu, Jie Zhang, Yue Sun, Hui Xu, Rongfen Huo, Beiqing Wang, Baihua Shen, Xiangdong Chen, Ningli Li
PURPOSE: Interleukin-8 (IL-8) is an important factor in the pathogenesis of psoriasis vulgaris, which is characterized by proliferation of keratinocytes, neutrophil infiltration and angiogenesis. Cysteine-rich 61 (Cyr61/CCN1), a secreted extracellular matrix protein, is a novel proinflammatory factor. Whether Cyr61 is involved in the development of psoriasis vulgaris via IL-8 production remains unknown. In this study we explore the role of Cyr61 in IL-8 expression regulation in vivo and in vitro...
January 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
https://www.readbyqxmd.com/read/26099024/ccn1-a-pro-inflammatory-factor-aggravates-psoriasis-skin-lesions-by-promoting-keratinocyte-activation
#5
Yue Sun, Jie Zhang, Zhou Zhou, Pinru Wu, Rongfen Huo, Beiqing Wang, Zhengyu Shen, Huidan Li, Tianhang Zhai, Baihua Shen, Xiangdong Chen, Ningli Li
Psoriasis is a common chronic skin disease characterized by epidermal hyperplasia and inflammation. The pathogenesis of psoriasis is multifactorial and is not fully understood. Here we demonstrate that CCN1 (also called Cyr61, which is short for cysteine-rich 61), an extracellular matrix protein that is also considered a pro-inflammatory factor, is highly expressed in the lesional skin of psoriasis patients, as well as in that of imiquimod (IMQ)- and IL-23-treated psoriasis-like mice. Then we show that blocking CCN1 function in vivo attenuates epidermal hyperplasia and inflammation in psoriasis-like mice...
November 2015: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/26077348/the-matricellular-protein-ccn1-mediates-neutrophil-efferocytosis-in-cutaneous-wound-healing
#6
Joon-Il Jun, Ki-Hyun Kim, Lester F Lau
Neutrophil infiltration constitutes the first step in wound healing, although their timely clearance by macrophage engulfment, or efferocytosis, is critical for efficient tissue repair. However, the specific mechanism for neutrophil clearance in wound healing remains undefined. Here we uncover a key role for CCN1 in neutrophil efferocytosis by acting as a bridging molecule that binds phosphatidylserine, the 'eat-me' signal on apoptotic cells and integrins αvβ3/αvβ5 in macrophages to trigger efferocytosis...
June 16, 2015: Nature Communications
https://www.readbyqxmd.com/read/24485923/elevated-yap-and-its-downstream-targets-ccn1-and-ccn2-in-basal-cell-carcinoma-impact-on-keratinocyte-proliferation-and-stromal-cell-activation
#7
Taihao Quan, Yiru Xu, Zhaoping Qin, Patrick Robichaud, Stephanie Betcher, Ken Calderone, Tianyuan He, Timothy M Johnson, John J Voorhees, Gary J Fisher
Yes-associated protein (YAP) is a transcriptional co-activator of hippo signaling pathway, which plays an important role in organ size control and tumorigenesis. Here we report that YAP and its downstream transcriptional targets CCN1 and CCN2 are markedly elevated in keratinocytes in human skin basal cell carcinoma tumor islands. In human keratinocytes, knockdown of YAP significantly reduced expression of CCN1 and CCN2, and repressed proliferation and survival. This inhibition of proliferation and survival was rescued by restoration of CCN1 expression, but not by CCN2 expression...
April 2014: American Journal of Pathology
https://www.readbyqxmd.com/read/23659624/the-role-of-cytokines-in-skin-aging
#8
REVIEW
M Borg, S Brincat, G Camilleri, P Schembri-Wismayer, M Brincat, J Calleja-Agius
Cutaneous aging is one of the major noticeable menopausal complications that most women want to fight in their quest for an eternally youthful skin appearance. It may contribute to some maladies that occur in aging which, despite not being life-threatening, affect the well-being, psychological state and quality of life of aged women. Skin aging is mainly affected by three factors: chronological aging, decreased levels of estrogen after menopause, and environmental factors. Aged skin is characterized by a decrease in collagen content and skin thickness which result in dry, wrinkled skin that is easily bruised and takes a longer time to heal...
October 2013: Climacteric: the Journal of the International Menopause Society
https://www.readbyqxmd.com/read/21488975/retinoids-suppress-cysteine-rich-protein-61-ccn1-a-negative-regulator-of-collagen-homeostasis-in-skin-equivalent-cultures-and-aged-human-skin-in-vivo
#9
Taihao Quan, Zhaoping Qin, Yuan Shao, Yiru Xu, John J Voorhees, Gary J Fisher
Alterations in connective tissue collagen are prominent features of both chronologically aged and photoaged (ageing because of sun exposure) human skin. These age-related abnormalities are mediated in part by cysteine-rich protein 61 (CCN1). CCN1 is elevated in the dermis of both chronologically aged and photoaged human skin in vivo and promotes aberrant collagen homeostasis by down-regulating type I collagen, the major structural protein in skin, and promoting collagen degradation. Vitamin A and its metabolites have been shown to improve chronologically aged and photoaged skin by promoting deposition of new collagen and preventing its degradation...
July 2011: Experimental Dermatology
https://www.readbyqxmd.com/read/21484592/spatial-temporal-modulation-of-ccn-proteins-during-wound-healing-in-human-skin-in-vivo
#10
Laure Rittié, Bernard Perbal, John J Castellot, Jeffrey S Orringer, John J Voorhees, Gary J Fisher
CCN proteins are important modulators of development and function of adult organs. In this study, we examined the localization and expression of the six CCN family members in normal adult human skin and during wound healing in vivo. Transcript and protein expression were studied by laser-capture microdissection-coupled real-time PCR and immunohistochemistry, respectively. Our results demonstrate that CCN1, CCN4, and CCN6 are expressed at relatively low levels in normal human skin. CCN2, CCN3, and CCN5 are the most highly expressed transcripts in the epidermis...
March 2011: Journal of Cell Communication and Signaling
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