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https://www.readbyqxmd.com/read/28631008/regulation-of-neural-circuit-formation-by-protocadherins
#1
REVIEW
Stacey L Peek, Kar Men Mah, Joshua A Weiner
The protocadherins (Pcdhs), which make up the most diverse group within the cadherin superfamily, were first discovered in the early 1990s. Data implicating the Pcdhs, including ~60 proteins encoded by the tandem Pcdha, Pcdhb, and Pcdhg gene clusters and another ~10 non-clustered Pcdhs, in the regulation of neural development have continually accumulated, with a significant expansion of the field over the past decade. Here, we review the many roles played by clustered and non-clustered Pcdhs in multiple steps important for the formation and function of neural circuits, including dendrite arborization, axon outgrowth and targeting, synaptogenesis, and synapse elimination...
June 19, 2017: Cellular and Molecular Life Sciences: CMLS
https://www.readbyqxmd.com/read/28603076/functional-roles-of-p120ctn-family-of-proteins-in-central-neurons
#2
REVIEW
Li Yuan, Jyothi Arikkatha
The cadherin-catenin complex in central neurons is associated with a variety of cytosolic partners, collectively called catenins. The p120ctn members are a family of catenins that are distinct from the more ubiquitously expressed α- and β-catenins. It is becoming increasingly clear that the functional roles of the p120ctn family of catenins in central neurons extend well beyond their functional roles in non-neuronal cells in partnering with cadherin to regulate adhesion. In this review, we will provide an overview of the p120ctn family in neurons and their varied functional roles in central neurons...
June 8, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/28597750/muc1-induces-tamoxifen-resistance-in-estrogen-receptor-positive-breast-cancer
#3
Parnaz Merikhian, Reyhane Ghadirian, Leila Farahmand, Sepideh Mansouri, Keivan Majidzadeh-A
Tamoxifen, as an essential therapeutic tool in the treatment of estrogen receptor-positive breast cancer, has been available for the past three decades and is currently being utilized as a chemo-preventive agent for patients at high risk for breast carcinoma. However, the induction of chemo-resistance during therapy has indicated a significant challenge with regards to this agent. Areas covered: This review enumerates the role of MUC1-C proto-oncogene in tamoxifen resistance and describes a number of signaling pathways by which MUC1-C would mediate the development of resistance...
June 21, 2017: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/28595284/infertility-diagnosis-has-a-significant-impact-on-the-transcriptome-of-developing-blastocysts
#4
Blair R McCallie, Jason C Parks, Darren K Griffin, William B Schoolcraft, Mandy G Katz-Jaffe
STUDY QUESTION: Is the human blastocyst transcriptome associated with infertility diagnosis, specifically: polycystic ovaries (PCO), male factor (MF), and unexplained (UE)? SUMMARY ANSWER: The global blastocyst transcriptome was significantly altered in association with a PCO, MF, and UE infertility diagnosis. WHAT IS KNOWN ALREADY: Infertility diagnosis has an impact on the probability for a successful outcome following an IVF cycle. Limited information is known regarding the relationship between a specific infertility diagnosis and blastocyst transcription during pre-implantation development...
June 8, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28588719/e-cadherin-a-potential-biomarker-of-colorectal-cancer-prognosis
#5
Niki Christou, Aurélie Perraud, Sabrina Blondy, Marie-Odile Jauberteau, Serge Battu, Muriel Mathonnet
Colorectal cancer (CRC) is a common and lethal disease. It is the third most common type of cancer in the world, behind lung and breast cancer, with almost 1.4 million new cases diagnosed in 2012. The risk of developing CRC is influenced by environmental and genetic factors. Adenocarcinomas comprise the vast majority (98%) of CRCs. A patient's likelihood of survival is associated with the tumor stage at the time of diagnosis. With regular screening, CRC can be identified early, when treatment is the most effective...
June 2017: Oncology Letters
https://www.readbyqxmd.com/read/28574280/current-concepts-in-diagnosis-molecular-features-and-management-of-lobular-carcinoma-in-situ-of-the-breast-with-a-discussion-of-morphologic-variants
#6
Paula S Ginter, Timothy M D'Alfonso
CONTEXT: - Lobular carcinoma in situ (LCIS) refers to a neoplastic proliferation of cells that characteristically shows loss of E-cadherin expression and has long been regarded as a risk factor for invasive breast cancer. Long-term outcome studies and molecular data have also implicated LCIS as a nonobligate precursor to invasive carcinoma. In the past few decades, pleomorphic and florid LCIS have been recognized as morphologic variants of LCIS with more-aggressive histopathologic features, less-favorable biomarker profiles, and more-complex molecular features compared with classic LCIS...
June 2, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28559764/factors-affecting-concordance-between-radiological-and-histological-findings-in-invasive-lobular-carcinoma-experience-from-a-national-cancer-centre
#7
Duaa Abu-Sinn, Donal O'Driscoll, Maurice Murphy
BACKGROUND: Invasive lobular carcinoma (ILC) is characterized by an infiltrative discohesive growth pattern, making it difficult to accurately assess both clinically and by imaging studies. Despite favourable biological characteristics, challenges remain in the surgical treatment of ILC. We aimed to evaluate radiology/histology concordance and identify histological and biological parameters on core biopsies that may predict final tumour histology and guide surgical treatment decisions...
May 2017: Breast Care
https://www.readbyqxmd.com/read/28551672/ctnnb1-mutations-in-ovarian-microcystic-stromal-tumors-identification-of-a-novel-deletion-mutation-and-the-use-of-pyrosequencing-to-identify-reported-point-mutation
#8
Kiyong Na, Eun Kyung Kim, Wonjun Jang, Hyun-Soo Kim
BACKGROUND/AIM: Microcystic stromal tumor (MCST) is a rare stromal tumor of the ovary. In this study, we describe clinicopathological characteristics and results of mutational analyses of the CTNNB1gene in two cases of ovarian MCST and we provide a thorough review of previously published cases alongside our current cases and clarify the clinicopathological characteristics of ovarian MCST. PATIENTS AND METHODS: Patients' age was 33 and 31 years, respectively. One patient presented with fever and low abdominal pain, whereas a pelvic mass was incidentally detected in another patient...
June 2017: Anticancer Research
https://www.readbyqxmd.com/read/28551508/fat-like-cadherins-in-cell-migration-leading-from-both-the-front-and-the-back
#9
REVIEW
Sally Horne-Badovinac
When cells migrate through the body, their motility is continually influenced by interactions with other cells. The Fat-like cadherins are cell-cell signaling proteins that promote migration in multiple cell types. Recent studies suggest, however, that Fat-like cadherins influence motility differently in mammals versus Drosophila, with the cadherin acting at the leading edge of mammalian cells and the trailing edge of Drosophila cells. As opposed to this being a difference between organisms, it is more likely that the Fat-like cadherins are highly versatile proteins that can interact with the migration machinery in multiple ways...
May 25, 2017: Current Opinion in Cell Biology
https://www.readbyqxmd.com/read/28529586/immunohistochemical-analysis-of-nanog-expression-and-epithelial-mesenchymal-transition-in-pulmonary-sarcomatoid-carcinoma
#10
Takeshi Tamaki, Toshiki Shimizu, Maiko Niki, Michiomi Shimizu, Tohru Nishizawa, Shosaku Nomura
Pulmonary sarcomatoid carcinomas (PSCs) are defined as a group of poorly differentiated non-small cell lung cancers that demonstrate sarcoma-like differentiation. The mechanism of mesenchymal differentiation in PSC is epithelial-mesenchymal transition (EMT). The expression of homeobox protein NANOG (NANOG), which regulates the pluripotency of embryonic stem cells, is associated with the EMT process. Therefore, the present study aimed to assess the expression level of NANOG and the status of the EMT process in PSC...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28524727/e-cadherin-%C3%AE-catenin-complex-a-target-for-anticancer-and-antimetastasis-plants-plant-derived-compounds
#11
Majid Tafrihi, Roohollah Nakhaei Sistani
Plants reputed to have cancer-inhibiting potential and putative active components derived from those plants have emerged as an exciting new field in cancer study. Some of these compounds have cancer-inhibiting potential in different clinical staging levels, especially metastasis. A few of them which stabilize cell-cell adhesions are controversial topics. This review article introduces some effective herbal compounds that target E-cadherin/β-catenin protein complex. In this article, at first, we briefly review the structure and function of E-cadherin and β-catenin proteins, Wnt signaling pathway, and its target genes...
May 19, 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28507985/control-of-neuronal-migration-and-aggregation-by-reelin-signaling-in-the-developing-cerebral-cortex
#12
REVIEW
Yuki Hirota, Kazunori Nakajima
The mammalian cerebral neocortex has a well-organized laminar structure, achieved by the highly coordinated control of neuronal migration. During cortical development, excitatory neurons born near the lateral ventricle migrate radially to reach their final positions to form the cortical plate. During this process, dynamic changes are observed in the morphologies and migration modes, including multipolar migration, locomotion, and terminal translocation, of the newborn neurons. Disruption of these migration processes can result in neuronal disorders such as lissencephaly and periventricular heterotopia...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28507022/loss-of-e-cadherin-dependent-cell-cell-adhesion-and-the-development-and-progression-of-cancer
#13
Heather C Bruner, Patrick W B Derksen
Classical cadherins are the key molecules that control cell-cell adhesion. Notwithstanding this function, it is also clear that classical cadherins are more than just the "glue" that keeps the cells together. Cadherins are essential regulators of tissue homeostasis that govern multiple facets of cellular function and development, by transducing adhesive signals to a complex network of signaling effectors and transcriptional programs. In cancer, cadherins are often inactivated or functionally inhibited, resulting in disease development and/or progression...
May 15, 2017: Cold Spring Harbor Perspectives in Biology
https://www.readbyqxmd.com/read/28467887/cadherins-function-during-the-collective-cell-migration-of-xenopus-cranial-neural-crest-cells-revisiting-the-role-of-e-cadherin
#14
REVIEW
Hélène Cousin
Collective cell migration is a process whereby cells move while keeping contact with other cells. The Xenopus Cranial Neural Crest (CNC) is a population of cells that emerge during early embryogenesis and undergo extensive migration from the dorsal to ventral part of the embryo's head. These cells migrate collectively and require cadherin mediated cell-cell contact. In this review, we will describe the key features of Xenopus CNC migration including the key molecules driving their migration. We will also review the role of the various cadherins during Xenopus CNC emergence and migration...
April 30, 2017: Mechanisms of Development
https://www.readbyqxmd.com/read/28459369/grainyhead-like-2-in-development-and-cancer
#15
REVIEW
Lijun Ma, Hongli Yan, Hui Zhao, Jianmin Sun
Grainyhead-like 2 is a human homolog of Drosophila grainyhead. It inhibits epithelial-to-mesenchymal transition that is necessary for cell migration, and it is involved in neural tube closure, epithelial morphogenesis, and barrier formation during embryogenesis by regulation of the expression of cell junction proteins such as E-cadherin and vimentin. Cancer shares many common characters with development such as epithelial-to-mesenchymal transition. In addition to its important role in development, grainyhead-like 2 is implicated in carcinogenesis as well...
May 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28443208/roles-of-rap1-signaling-in-tumor-cell-migration-and-invasion
#16
Yi-Lei Zhang, Ruo-Chen Wang, Ken Cheng, Brian Z Ring, Li Su
Ras-associated protein-1 (Rap1), a small GTPase in the Ras-related protein family, is an important regulator of basic cellular functions (e.g., formation and control of cell adhesions and junctions), cellular migration, and polarization. Through its interaction with other proteins, Rap1 plays many roles during cell invasion and metastasis in different cancers. The basic function of Rap1 is straightforward; it acts as a switch during cellular signaling transduction and regulated by its binding to either guanosine triphosphate (GTP) or guanosine diphosphate (GDP)...
February 2017: Cancer Biology & Medicine
https://www.readbyqxmd.com/read/28422868/meta-analysis-of-possible-role-of-cadherin-gene-methylation-in-evolution-and-prognosis-of-hepatocellular-carcinoma-with-a-prisma-guideline
#17
Chunxiao Zhu, Xuefeng Feng, Guoliang Ye, Tao Huang
BACKGROUND: Cadherins (CDHs) have been reported to be associated with cancer. However, the clinical significance of CDH gene methylation in hepatocellular carcinoma (HCC) remains unclear. METHODS: Based on the preferred reporting items for systematic reviews and meta-analyses (PRISMA) statement criteria, available studies were identified from online electronic database. The overall odds ratio (OR) and the corresponding 95% confidence interval (95% CI) were calculated and analyzed...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28416823/-identification-of-a-new-pro-invasion-factor-in-tumor-microenvironment-progress-in-function-and-mechanism-of-extracellular-atp
#18
W G Fang, X X Tian
Up to 90% of all cancer related morbidity and mortality can be attributed to metastasis. In recent years the study of tumor microenvironment, its cellular and molecular components, and how they can affect neoplastic progression toward metastasis, has become a hot focus in cancer research. Accumulated evidence shows that the formation of metastasis is a multi-step sequential process, in which, the tumor cells continuously interact with the host microenvironment. Host derived factors, i.e. growth factors/inhibitors, angiogenic factors, chemokines, etc...
April 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/28392352/cellular-recognition-and-patterning-in-sensory-systems
#19
REVIEW
Hideru Togashi, Sayaka Katsunuma
Cells dissociated from various tissues of vertebrate embryos preferentially reaggregate with cells from the same tissue when they are mixed together. This tissue-specific recognition process in vertebrates is mainly mediated by a family of cell adhesion molecules because of their specific binding properties. Recent studies have revealed that two families of adhesion molecules, nectins and cadherins, are associated with each other, and these associations provide cells with the differential adhesive affinities required for cellular recognition and complex cellular pattern formations during development...
April 6, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28372972/interplay-between-tight-junctions-adherens-junctions
#20
REVIEW
Hannah K Campbell, Jessica L Maiers, Kris A DeMali
Cell-cell adhesions are critical for the development and maintenance of tissues. Present at sites of cell-cell contact are the adherens junctions and tight junctions. The adherens junctions mediate cell-cell adhesion via the actions of nectins and cadherins. The tight junctions regulate passage of ions and small molecules between cells and establish cell polarity. Historically, the adherens and tight junctions have been thought of as discrete complexes. However, it is now clear that a high level of interdependency exists between the two junctional complexes...
March 31, 2017: Experimental Cell Research
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