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Lucas L Falke, Jan Willem Leeuwis, Karen M Lyons, Christine L Mummery, Tri Q Nguyen, Roel Goldschmeding
Treatment with rhBMP7 exerts profound protective effects in a wide variety of experimental models of renal disease. However, little is known about how these protective effects are mediated, and which cells in the kidney are targeted by exogenous rhBMP7 treatment. To determine if rhBMP7 increases glomerular and tubulointerstitial canonical BMP signaling, we performed Unilateral Ureteral Obstruction (UUO, a widely used obstructive nephropathy model) in mice reporting transcriptional activity downstream of canonical BMP signaling by the expression of GFP under the BMP Responsive Element of the Id1 promoter (BRE:gfp mice)...
October 20, 2016: Journal of Cell Communication and Signaling
Karen Beets, Michael W Staring, Nathan Criem, Elke Maas, Niels Schellinx, Susana M Chuva de Sousa Lopes, Lieve Umans, An Zwijsen
BACKGROUND: Bone morphogenetic protein (BMP) signalling has emerged as a fundamental pathway in endothelial cell biology and deregulation of this pathway is implicated in several vascular disorders. BMP signalling output in endothelial cells is highly context- and dose-dependent. Phosphorylation of the BMP intracellular effectors, SMAD1/5/9, is routinely used to monitor BMP signalling activity. To better understand the in vivo context-dependency of BMP-SMAD signalling, we investigated differences in BMP-SMAD transcriptional activity in different vascular beds during mouse embryonic and postnatal stages...
October 10, 2016: BMC Developmental Biology
(no author information available yet)
No abstract text is available yet for this article.
September 29, 2016: Blood
Yang Yu, Yuan Liang, Cunping Yin, Xiaoli Liu, Yong Su, Li Zhang, Hong Wang
Vascular endothelial damage is the major contributing factor to cardiovascular diseases. Recently, the therapeutic significance of endothelial progenitor cells (EPCs) has drawn increasing attention due to their roles in re-endothelialization following injury. The inhibitor of DNA-binding 1 (ID1) has been proven to promote EPC proliferation and migration, suggesting a critical function of ID1 in re-endothelialization. However, the underlying mechanisms remain undefined. In this study, ID1 was found to interact with E2-2 using immunoprecipitation analysis...
September 13, 2016: International Journal of Molecular Medicine
Di-Nuo Li, Liang Wang, Lei Wang, Shen Li, Yu-Bing Wang
OBJECTIVE: To explore the effects of recombinant human endostatin (endostar, ES) and cisplatin on the growth of gastric cancer-transplanted tumor in nude mice and the expression of microvessel density (MVD). METHODS: Human gastric cancer SGC-7901 cells were subcutaneously injected into the armpit of nude mice to prepare cancer-bearing nude mice. A total of 32 cancer-bearing nude mice were divided into four groups (each group with 8 mice). The four groups included control group and other three groups in which mice were treated with 5 mg/kg of ES (group E), 5 mg/kg of cisplatin (group Ci), and 5 mg/kg of ES combined with 5 mg/kg of cisplatin (group C), respectively...
September 2016: Cancer Biotherapy & Radiopharmaceuticals
Jian Li, Zishan Yang, Zhiuguo Chen, Yonghua Bao, Huijuan Zhang, Xinhui Fang, Wancai Yang
Esophageal cancer is one of the most prevalent forms of cancer and has a particularly high mortality rate due to early metastasis; however, the underlying mechanisms of its formation and progression remain unclear. The present study performed immunohistochemical analysis and observed that the expression of activating transcription factor 3 (ATF3) was reduced in esophageal squamous cell carcinoma (ESCC) in comparison with non-tumor adjacent tissues. By contrast, inhibitor of DNA binding 1 (ID1) was overexpressed in ESCC tissues, demonstrating an inverse correlation with ATF3 (P<0...
September 2016: Oncology Letters
Atilgan Yilmaz, Chandramohan Kattamuri, Rana N Ozdeslik, Carolyn Schmiedel, Sarah Mentzer, Christoph Schorl, Elena Oancea, Thomas B Thompson, Justin R Fallon
Bone morphogenetic proteins (BMPs) function in most tissues but have cell type-specific effects. Given the relatively small number of BMP receptors, this exquisite signaling specificity requires additional molecules to regulate this pathway's output. The receptor tyrosine kinase MuSK (muscle-specific kinase) is critical for neuromuscular junction formation and maintenance. Here, we show that MuSK also promotes BMP signaling in muscle cells. MuSK bound to BMP4 and related BMPs with low nanomolar affinity in vitro and to the type I BMP receptors ALK3 and ALK6 in a ligand-independent manner both in vitro and in cultured myotubes...
2016: Science Signaling
Domiziana Costamagna, Hendrik Mommaerts, Maurilio Sampaolesi, Przemko Tylzanowski
Inactivation of Noggin, a secreted antagonist of Bone Morphogenetic Proteins (BMPs), in mice leads, among others, to severe malformations of the appendicular skeleton and defective skeletal muscle fibers. To determine the molecular basis of the phenotype, we carried out a histomorphological and molecular analysis of developing muscles Noggin(-/-) mice. We show that in 18.5 dpc embryos there is a marked reduction in muscle fiber size and a failure of nuclei migration towards the cell membrane. Molecularly, the absence of Noggin results in an increased BMP signaling in muscle tissue as shown by the increase in SMAD1/5/8 phosphorylation, concomitant with the induction of BMP target genes such as Id1, 2, 3 as well as Msx1...
2016: Scientific Reports
Matthias Kretschmer, Daniel Croll, James W Kronstad
The ability of biotrophic fungi to metabolically adapt to the host environment is a critical factor in fungal diseases of crop plants. In this study, we analyzed the transcriptome of maize tumors induced by Ustilago maydis to identify key features underlying metabolic shifts during disease. Among other metabolic changes, this analysis highlighted modifications during infection in transcriptional regulation of carbohydrate allocation and starch metabolism. We confirmed the relevance of these changes by establishing that symptom development was altered in an id1 (indeterminate1) mutant that has increased accumulation of sucrose as well as being defective in the vegetative to reproductive transition...
August 26, 2016: Molecular Plant Pathology
K Tominaga, T Shimamura, N Kimura, T Murayama, D Matsubara, H Kanauchi, A Niida, S Shimizu, K Nishioka, E-I Tsuji, M Yano, S Sugano, Y Shimono, H Ishii, H Saya, M Mori, K Akashi, K-I Tada, T Ogawa, A Tojo, S Miyano, N Gotoh
The transcription factor nuclear factor-κB (NF-κB) has important roles for tumorigenesis, but how it regulates cancer stem cells (CSCs) remains largely unclear. We identified insulin-like growth factor 2 (IGF2) is a key target of NF-κB activated by HER2/HER3 signaling to form tumor spheres in breast cancer cells. The IGF2 receptor, IGF1 R, was expressed at high levels in CSC-enriched populations in primary breast cancer cells. Moreover, IGF2-PI3K (IGF2-phosphatidyl inositol 3 kinase) signaling induced expression of a stemness transcription factor, inhibitor of DNA-binding 1 (ID1), and IGF2 itself...
August 22, 2016: Oncogene
Hyeon-Young Min, Kyeong-Min Kim, Gabbine Wee, Eun-Jung Kim, Won-Gu Jang
AIMS: Mammalian circadian rhythms regulate many metabolic processes. Recent studies suggest that brain and muscle Arnt-like 1 (BMAL1), an important component of mammalian circadian rhythm, is associated with insulin signaling. Several studies have shown that insulin is associated with bone metabolism; however, the relationship between BMAL1 and osteoblasts remains unclear. MAIN METHODS: Expression of osteogenic markers and Bmal1 in MC3T3-E1 cells was measured by RT-PCR and Western blotting...
October 1, 2016: Life Sciences
Jongwon Lee, Semun Seong, Jung Ha Kim, Kabsun Kim, Inyoung Kim, Byung-Chul Jeong, Kwang-Il Nam, Kyung Keun Kim, Lothar Hennighausen, Nacksung Kim
Among the diverse cytokines involved in osteoclast differentiation, interleukin (IL)-3 inhibits RANKL-induced osteoclastogenesis. However, the mechanism underlying IL-3-mediated inhibition of osteoclast differentiation is not fully understood. Here we demonstrate that the activation of signal transducers and activators of transcription 5 (STAT5) by IL-3 inhibits RANKL-induced osteoclastogenesis through the induction of the expression of Id genes. We found that STAT5 overexpression inhibited RANKL-induced osteoclastogenesis...
2016: Scientific Reports
Xun Jin, Hye-Min Jeon, Xiong Jin, Eun-Jung Kim, Jinlong Yin, Hee-Young Jeon, Young-Woo Sohn, Se-Yeong Oh, Jun-Kyum Kim, Sung-Hak Kim, Ji-Eun Jung, Sungwook Kwak, Kai-Fu Tang, Yunsheng Xu, Jeremy N Rich, Hyunggee Kim
Inhibitor of differentiation 1 (ID1) is highly expressed in glioblastoma stem cells (GSCs). However, the regulatory mechanism responsible for its role in GSCs is poorly understood. Here, we report that ID1 activates GSC proliferation, self-renewal, and tumorigenicity by suppressing CULLIN3 ubiquitin ligase. ID1 induces cell proliferation through increase of CYCLIN E, a target molecule of CULLIN3. ID1 overexpression or CULLIN3 knockdown confers GSC features and tumorigenicity to murine Ink4a/Arf-deficient astrocytes...
August 9, 2016: Cell Reports
Jennifer Fraszczak, Anne Helness, Riyan Chen, Charles Vadnais, François Robert, Cyrus Khandanpour, Tarik Möröy
A regulatory circuit that controls myeloid versus B lymphoid cell fate in hematopoietic progenitors has been proposed, in which a network of the transcription factors Egr1/2, Nab, Gfi1 and PU.1 forms the core element. Here we show that a direct link between Gfi1, the transcription factor E2A and its inhibitor Id1 is a critical element of this regulatory circuit. Our data suggest that a certain threshold of Gfi1 is required to gauge E2A activity by adjusting levels of Id1 in multipotent progenitors, which are the first bipotential myeloid/lymphoid-restricted progeny of hematopoietic stem cells...
2016: PloS One
Tomoki Sumida, Y U Kamata, Yosuke Kobayashi, Akiko Ishikawa, Yoshihide Mori
BACKGROUND: Inhibitor of differentiation or DNA binding 1 (ID1) is overexpressed in human salivary gland cancer (SGC). The insulin growth factor (IGF) system is an attractive target in cancer control because it is associated with various cancer progressions. MATERIALS AND METHODS: The human SGC cell line HSY with abundant ID1 was used. ID1 knockdown and its effect on the IGF system were investigated. Cell proliferation and invasion, as well as associated protein expression, were analyzed...
August 2016: Anticancer Research
Xi Xia, Yang Yu, Li Zhang, Yang Ma, Hong Wang
Endothelial injury is a risk factor for atherosclerosis. Endothelial progenitor cell (EPC) proliferation contributes to vascular injury repair. Overexpression of inhibitor of DNA binding 1 (Id1) significantly promotes EPC proliferation; however, the underlying molecular mechanism remains to be fully elucidated. The present study investigated the role of Id1 in cell cycle regulation of EPCs, which is closely associated with proliferation. Overexpression of Id1 increased the proportion of EPCs in the S/G2M phase and significantly increased cyclin D1 expression levels, while knockdown of Id1 arrested the cell cycle progression of EPCs in the G1 phase and inhibited cyclin D1 expression levels...
September 2016: Molecular Medicine Reports
W-Z Sun, M-H Li, M Chu, L-L Wei, M-Y Bi, Y He, L-B Yu
OBJECTIVE: To explore the role of Id1 in ovarian cancer cell proliferation, invasion and apoptosis. MATERIALS AND METHODS: Lentivirus-based shRNA vectors were constructed to knockdown Id1 expression in SKOV3 ovarian cancer cells. The proliferation, invasion ability and apoptosis of SKOV3 cells were evaluated by CCK-8 assay, transwell assay and flow cytometry, respectively. RESULTS: Compared to control cells, cell proliferation and invasion were significantly inhibited in SKOV3 cells depleted of Id1, while apoptosis was significantly increased in SKOV3 cells depleted of Id1...
July 2016: European Review for Medical and Pharmacological Sciences
Franka Klatte-Schulz, Gerry Giese, Christopher Differ, Susann Minkwitz, Karen Ruschke, Regina Puts, Petra Knaus, Britt Wildemann
The incidence of tendon re-tears post-surgery is an ever present complication. It is suggested that the application of biological factors, such as bone morphogenetic protein 7 (BMP-7), can reduce complication rates by promoting tenogenic characteristics in in vitro studies. However, there remains a dearth of information in regards to the mechanisms of BMP-7 signalling in tenocytes. Using primary human tenocyte-like cells (hTLCs) from the supraspinatus tendon the BMP-7 signalling pathway was investigated: induction of the BMP associated Smad pathway and non-Smad pathways (AKT, p38, ERK1/2 and JNK); alterations in gene expression of BMP-7 associated receptors, Smad pathway components, Smad target gene (ID1) and tenogenic marker scleraxis...
2016: Scientific Reports
Hussein El-Zaeddi, Juan Martínez-Tomé, Ángel Calín-Sánchez, Francisco Burló, Ángel A Carbonell-Barrachina
BACKGROUND: Two independent field experiments were carried out to investigate the influence of (i) 3 irrigation treatments (ID0 =1585 m(3)  ha(-1) , considered as a control; ID1 = 1015 m(3)  ha(-1) ; and, ID2 = 2180 m(3)  ha(-1) ), or (ii) 3 plant density treatments (PD0 = 5.56 plants m(-2) , considered as a control; PD1= 4.44 plants m(-2) ; and, PD2 = 7.41 plants m(-2) ) on the production, volatile composition of essential oil, and sensory quality of dill. RESULTS: The results showed that the highest plant yield was obtained with intermediate conditions of both irrigation dose (ID0) and plant density (PD0)...
July 8, 2016: Journal of the Science of Food and Agriculture
Marta Garcia-Cao, Hikmat A Al-Ahmadie, Yvette Chin, Bernard H Bochner, Robert Benezra
Background: Bladder cancer is one of the most common malignant genitourinary diseases worldwide. Despite advances in surgical technique, medical oncology and radiation therapy, cure of invasive tumors remains elusive for patients with late stage disease. Therefore, new therapeutic strategies are needed to improve the response rates with regard to recurrence, invasion and metastasis. Objective: Inhibitor of DNA binding (Id) proteins have been proposed as therapeutic targets due to the key regulatory role they exert in multiple steps of cancer...
2015: Bladder Cancer
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