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Physiological and pathological functions of βB2-crystallins in multiple organs: a systematic review.

Aging (Albany NY) 2021 Jun 11;13. Epub 2021 Jun 11.

Department of Obstetrics and Gynecology, Changhai Hospital, Naval Military Medical University, Yangpu, Shanghai 200433, China.

Crystallins, the major constituent proteins of mammalian lenses, are significant not only for the maintenance of eye lens stability, transparency, and refraction, but also fulfill various physiopathological functions in extraocular tissues. βB2-crystallin, for example, is a multifunctional protein expressed in the human retina, brain, testis, ovary, and multiple tumors. Mutations in the βB2 crystallin gene or denaturation of βB2-crystallin protein are associated with cataracts, ocular pathologies, and psychiatric disorders. Read More

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Melatonin protects against focal cerebral ischemia-reperfusion injury in diabetic mice by ameliorating mitochondrial impairments: involvement of the Akt-SIRT3-SOD2 signaling pathway.

Aging (Albany NY) 2021 Jun 11;13. Epub 2021 Jun 11.

Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, Hubei 430060, China.

Diabetic patients are more vulnerable to cerebral ischemia-reperfusion (CIR) injury and have a worse prognosis and higher mortality after ischemic stroke than non-diabetic counterparts. Melatonin can exert neuroprotective effects against CIR injury in nondiabetic animal models. However, its effects on diabetic CIR injury and the underlying mechanisms remain unclarified. Read More

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A Phase II study of nab-Paclitaxel (nab-P) in patients with advanced non-small cell lung cancer with EGFR mutations after frontline tyrosine kinase inhibitor therapy.

Cancer Treat Res Commun 2021 Jun 9;28:100416. Epub 2021 Jun 9.

University of Washington, Department of Medicine, Division of Medical Oncology United States.

Background: Patients with metastatic non-small cell lung cancer (NSCLC) harboring a sensitizing EGFR mutation have effective targeted therapy options initially but most patients eventually progress and receive cytotoxic chemotherapy. In this single-institution phase II study, we evaluated the role of nab-paclitaxel monotherapy in this patient population.

Patients And Methods: Patients with metastatic NSCLC with an activating EGFR mutation whose disease progressed after frontline tyrosine kinase inhibitor therapy and who were chemotherapy naïve received nab-paclitaxel 125 mg/m2 on days 1, 8 and 15 in a 28-day cycle. Read More

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Design, synthesis, and biological evaluation of novel bifunctional thyrointegrin antagonists for neuroblastoma.

Bioorg Med Chem 2021 Jun 6;42:116250. Epub 2021 Jun 6.

Pharmaceutical Research Institute, Albany College of Pharmacy and Health Sciences, Rensselaer, NY 12144, United States. Electronic address:

Receptor-mediated cancer therapy has received much attention in the last few decades. Neuroblastoma and other cancers of the sympathetic nervous system highly express norepinephrine transporter (NET) and cell plasma membrane integrin αvβ3. Dual targeting of the NET and integrin αvβ3 receptors using a Drug-Drug Conjugate (DDC) might provide effective treatment strategy in the fight against neuroblastoma and other neuroendocrine tumors. Read More

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Selenium respiration in anaerobic bacteria: Does energy generation pay off?

J Inorg Biochem 2021 Jun 5;222:111509. Epub 2021 Jun 5.

Department of Biology, University of New Mexico, MSCO3 2020, Albuquerque, NM 87131, USA.

Selenium (Se) respiration in bacteria was revealed for the first time at the end of 1980s. Although thermodynamically-favorable, energy-dense and documented in phylogenetically-diverse bacteria, this metabolic process appears to be accompanied by a number of challenges and numerous unanswered questions. Selenium oxyanions, SeO and SeO, are reduced to elemental Se (Se) through anaerobic respiration, the end product being solid and displaying a considerable size (up to 500 nm) at the bacterial scale. Read More

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Prognostic value of tumor mutational burden in patients with oral cavity squamous cell carcinoma treated with upfront surgery.

ESMO Open 2021 Jun 9;6(4):100178. Epub 2021 Jun 9.

Department of Drug Development and Innovation (D3i), Institut Curie, Paris and Saint-Cloud, France. Electronic address:

Background: Oral cavity is the most prevalent site of head and neck squamous cell carcinomas (HNSCCs). Most often diagnosed at a locally advanced stage, treatment is multimodal with surgery as the cornerstone. The aim of this study was to explore the molecular landscape of a homogenous cohort of oral cavity squamous cell carcinomas (OCSCCs), and to assess the prognostic value of tumor mutational burden (TMB), along with classical molecular and clinical parameters. Read More

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Paper-based mediatorless enzymatic microfluidic biofuel cells.

Biosens Bioelectron 2021 Jun 9;190:113391. Epub 2021 Jun 9.

Dept. of Mechanical Engineering, BK21 FOUR ERICA-ACE Center, Hanyang University, 55 Hanyangdaehak-ro, Sangnok-gu, Ansan, Gyeonggi-do, 15588, South Korea. Electronic address:

In this study, eco-friendly and disposable paper-based membraneless microfluidic enzymatic fuel cells (EFCs) were developed without any mediators to reduce the toxicity and cost of EFCs. Glucose oxidase and laccase were immobilized on multi-walled carbon nanotube electrodes to catalyze the redox reaction of glucose and oxygen. Micromachining techniques well-suited for mass production were used to precisely fabricate micro-scale Y-shaped and cross-shaped EFCs. Read More

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Highly permselective uric acid detection using kidney cell membrane-functionalized enzymatic biosensors.

Biosens Bioelectron 2021 Jun 5;190:113411. Epub 2021 Jun 5.

School of Biomedical Engineering, Korea University, Seoul, 02841, South Korea; Interdisciplinary Program in Precision Public Health, Korea University, Seoul, 02841, South Korea. Electronic address:

Abnormal blood uric acid (UA) levels can lead to its crystallization in the joints, consequently resulting in gout. Accurate detection of UA in the blood is imperative for the early diagnosis of gout. However, electrochemical UA biosensors are vulnerable to antioxidants in the blood, limiting accurate UA detection. Read More

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Affecting RNA biology genome-wide by binding small molecules and chemically induced proximity.

Curr Opin Chem Biol 2021 Jun 9;62:119-129. Epub 2021 Jun 9.

Department of Chemistry, The Scripps Research Institute, 130 Scripps Way, Jupiter, FL 33458 USA. Electronic address:

The ENCODE and genome-wide association projects have shown that much of the genome is transcribed into RNA and much less is translated into protein. These and other functional studies suggest that the druggable transcriptome is much larger than the druggable proteome. This review highlights approaches to define druggable RNA targets and structure-activity relationships across genomic RNA. Read More

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MicroRNA-383-5p regulates osteogenic differentiation of human periodontal ligament stem cells by targeting histone deacetylase 9.

Authors:
Lan Ma Di Wu

Arch Oral Biol 2021 May 25;129:105166. Epub 2021 May 25.

Department of Stomatology, Jingmen No.1 People's Hospital, China. Electronic address:

Objective: Human periodontal ligament stem cells (hPDLSCs) play an important role in regenerative engineering technology for periodontal therapy. The mechanism of microRNA (miR)-383-5p in osteogenic differentiation needs further exploration. This study aimed at investigating the potential role of miR-383-5p in the osteogenic differentiation of hPDLSCs. Read More

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Epidemiological feature, viral shedding, and antibody seroconversion among asymptomatic SARS-CoV-2 carriers and symptomatic/presymptomatic COVID-19 patients.

J Infect Public Health 2021 May 27;14(7):845-851. Epub 2021 May 27.

Department of Epidemiology, Second Military Medical University, Shanghai 200433, China. Electronic address:

Background: Novel coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is pandemic. However, data concerning the epidemiological features, viral shedding, and antibody dynamics between asymptomatic SARS-CoV-2 carriers and COVID-19 patients remain controversial.

Methods: We enrolled 193 SARS-CoV-2 infected subjects in Ningbo and Zhoushan, Zhejiang, China, from January 21 to March 6, 2020. Read More

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MUC1 regulates AKT signaling pathway by upregulating EGFR expression in ovarian cancer cells.

Pathol Res Pract 2021 Jun 4;224:153509. Epub 2021 Jun 4.

School of Basic Medical Sciences, Qingdao University, 308 Ningxia Road, Qingdao, 266071, China. Electronic address:

MUC1, a type I transmembrane glycoprotein, mediates tumor growth and cellular differentiation in various types of cancers. However, the mechanism of MUCI in ovarian cancer has not been fully clarified. In our study, we have observed that MUC1 can play a crucial role in the development and progression of ovarian cancer and act as a predictive marker. Read More

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HOXB5 promotes the progression of breast cancer through wnt/beta-catenin pathway.

Pathol Res Pract 2020 Jul 13;224:153117. Epub 2020 Jul 13.

National Clinical Research Center for Normal Aging and Geriatric & The Key Lab of Normal Aging and Geriatric, Institute of Geriatric, PLA General Hospital, Beijing, China. Electronic address:

Objective: The present study was designed to explore the function of HOXB5 in breast cancer and related signaling pathway.

Methods: Breast cancer tissues and non-cancerous tissues were collected from 82 cases who were pathologically diagnosed with breast cancer. The mRNA level of HOXB5 was detected via quantitative real-time polymerase chain reaction (qRT-PCR). Read More

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Discovery of novel N-sulfonamide-tetrahydroisoquinolines as potent retinoic acid receptor-related orphan receptor γt agonists.

Eur J Med Chem 2021 Jun 1;222:113585. Epub 2021 Jun 1.

Department of Medicinal Chemistry, School of Pharmacy, Fudan University, No. 826 Zhangheng Road, Shanghai, 201203, China. Electronic address:

Cancer immunotherapy has become a research hotspot in recent years. A variety of targets were developed for small molecule immuno-oncology agents, including retinoic acid-related orphan receptor gamma t (RORγt), chemokine receptor, stimulator of interferon genes (Sting), indoleamine 2,3-dioxygenase (IDO), toll-like receptors (TLR), etc. Among them, the retinoic acid receptor-related orphan receptor γt (RORγt) has gradually attracted more attention in these years. Read More

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Discovery and preliminary mechanism of 1-carbamoyl β-carbolines as new antifungal candidates.

Eur J Med Chem 2021 Jun 2;222:113563. Epub 2021 Jun 2.

Department of Plant Pathology, College of Plant Protection, Nanjing Agricultural University, Key Laboratory of Integrated Management of Crop Diseases and Pests, Ministry of Education, Nanjing, 210095, China. Electronic address:

Natural β-carboline alkaloids are ideal models for the discovery of pharmaceutically important entities. Various 1-substituted β-carbolines were synthesized from commercially inexpensive tryptophan and demonstrated significant in vitro antifungal activity against G. graminis. Read More

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The Mur Enzymes Chink in the Armour of Mycobacterium tuberculosis cell wall.

Eur J Med Chem 2021 Jun 2;222:113568. Epub 2021 Jun 2.

Department of Pharmaceutical Chemistry, R. C. Patel Institute of Pharmaceutical Education and Research, Shirpur, District Dhule, 425405, Maharashtra, India. Electronic address:

TUBERCULOSIS: (TB) transmitted by Mycobacterium tuberculosis (Mtb) is one of the top 10 causes of death globally. Currently, the widespread occurrence of resistance toward Mtb strains is becoming a significant concern to public health. This scenario exaggerated the need for the discovery of novel targets and their inhibitors. Read More

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High throughput proteomic and metabolic profiling identified target correction of metabolic abnormalities as a novel therapeutic approach in head and neck paraganglioma.

Transl Oncol 2021 Jun 9;14(8):101146. Epub 2021 Jun 9.

Department of Otolaryngology Head & Neck Surgery, The Ninth People's Hospital, Shanghai Jiao Tong University, School of Medicine, No. 639, Zhi-Zao-Ju Road, Shanghai 200011, China; Ear Institute, School of Medicine, Shanghai Jiao Tong University, Shanghai, China; Shanghai Key Laboratory of Translational Medicine on Ear and Nose Diseases, Shanghai, China. Electronic address:

Head and neck paragangliomas (HNPGLs) are rare neoplasms that represent difficult treatment paradigms in neurotology. Germline mutations in genes encoding succinate dehydrogenase (SDH) are the cause of nearly all familial HNPGLs. However, the molecular mechanisms underlying tumorigenesis remain unclear. Read More

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Anti-tumor effects of rigosertib in high-risk neuroblastoma.

Transl Oncol 2021 Jun 9;14(8):101149. Epub 2021 Jun 9.

Division of Translational Cancer Research, Department of Laboratory Medicine, Lund University, Lund, Sweden. Electronic address:

High-risk neuroblastoma has a poor prognosis despite intense treatment, demonstrating the need for new therapeutic strategies. Here we evaluated the effects of rigosertib (ON-01910.Na) in preclinical models of high-risk neuroblastoma. Read More

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Comparative analysis of alfalfa (Medicago sativa L.) seedling transcriptomes reveals genotype-specific drought tolerance mechanisms.

Plant Physiol Biochem 2021 May 29;166:203-214. Epub 2021 May 29.

Agricultural College, Ningxia University, Yinchuan, 750021, China. Electronic address:

Drought is one of the main abiotic factors that affect alfalfa yield. The identification of genes that control this complex trait can provide important insights for alfalfa breeding. However, little is known about how alfalfa responds and adapts to drought stress, particularly in cultivars of differing drought tolerance. Read More

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In vitro tetraploidy induction creates enhancements in morphological, physiological and phytochemical characteristics in the fig tree (Ficus Carica L.).

Plant Physiol Biochem 2021 Jun 1;166:191-202. Epub 2021 Jun 1.

Department of Horticultural Science, College of Agriculture, Shiraz University, Shiraz, P.O. Box 65186-71441, Iran. Electronic address:

Fig tree (Ficus carica L.) is a precious fruit tree in semi-arid and arid areas worldwide which has difficulties in its conventional breeding programs. This study was carried out to make new genotypes with superior features based on the ploidy induction method. Read More

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Phthalic acid esters degradation by a novel marine bacterial strain Mycolicibacterium phocaicum RL-HY01: Characterization, metabolic pathway and bioaugmentation.

Sci Total Environ 2021 Jun 5;791:148303. Epub 2021 Jun 5.

Shenzhen Research Institute of Guangdong Ocean University, Shenzhen 518108, China; College of Coastal Agricultural Sciences, School of Chemistry and Environment, Guangdong Ocean University, Zhanjiang 524088, China. Electronic address:

Phthalic acid esters (PAEs) are one of the most widely used plasticizers and the well-studied environmental pollutants with endocrine disrupting properties. Investigation about PAEs in terrestrial ecosystem has been extensively conducted while the fate of PAEs in marine environment remains underexplored. In this study, a novel di-(2-ethylhexyl) phthalate (DEHP) degrading marine bacterial strain, Mycolicibacterium phocaicum RL-HY01, was isolated and characterized from intertidal sediments. Read More

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Assessment of dust trace elements in an e-waste recycling area and related children's health risks.

Sci Total Environ 2021 May 31;791:148154. Epub 2021 May 31.

Laboratory of Environmental Medicine and Developmental Toxicology, Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou 511443, Guangdong, China. Electronic address:

Children from Guiyu, an electronic waste (e-waste) recycling town, are exposed to trace elements via dust. However, the source, pathways, and influence factors of house dust and the association of house dust with child inflammation in an e-waste recycling area are not well-known. This study investigated dust trace elements in children's living environment and the associations of house dust trace elements with influence factors and child inflammation. Read More

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Pesticides are the dominant stressors for vulnerable insects in lowland streams.

Water Res 2021 May 17;201:117262. Epub 2021 May 17.

Department of River Ecology, Helmholtz Centre for Environmental Research, UFZ, 04318 Leipzig, Germany.

Despite elaborate regulation of agricultural pesticides, their occurrence in non-target areas has been linked to adverse ecological effects on insects in several field investigations. Their quantitative role in contributing to the biodiversity crisis is, however, still not known. In a large-scale study across 101 sites of small lowland streams in Central Europe, Germany we revealed that 83% of agricultural streams did not meet the pesticide-related ecological targets. Read More

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Dehydrocostus lactone inhibits BLM-induced pulmonary fibrosis and inflammation in mice via the JNK and p38 MAPK-mediated NF-κB signaling pathways.

Int Immunopharmacol 2021 Jun 9;98:107780. Epub 2021 Jun 9.

Department of Basic Medicine, Wuxi School of Medicine, Jiangnan University, Wuxi, Jiangsu 214122, PR China. Electronic address:

Idiopathic pulmonary fibrosis (IPF) is a chronic and irreversible inflammatory disease with a high mortality rate and limited therapeutic options. This study explored the potential role and mechanisms of Dehydrocostus lactone (DHL) in the inflammatory and fibrotic responses in a bleomycin (BLM) induced model. Treatment with DHL significantly reduced pathological injury and fibrosis, the secretion of BLM-induced pro-fibrotic mediators TGF-β and α-SMA, and components of the extracellular matrix (fibronectin). Read More

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Expression of angiogenesis-related proteins in bone marrow mesenchymal stem cells induced by osteoprotegerin during osteogenic differentiation in rats.

Authors:
Wei Wang Bo Wang

Int Immunopharmacol 2021 Jun 9;98:107821. Epub 2021 Jun 9.

Department of Orthopaedic Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, Hubei, China. Electronic address:

This study aimed to discuss the expression of angiogenesis-related proteins in bone marrow mesenchymal stem cells (BMSCs) induced by osteoprotegerin (OGP) during osteogenic differentiation in rats, and to analyze the effect of fracture healing inflammatory factor TNF-ɑ on the osteogenic differentiation of BMSCs of rats. BMSCs isolated and cultured from the third generation rats were taken as the research object. According to the addition amount of OGP, BMSCs were divided into control group, OGP (10 mol/L) group, OGP (10 mol/L) group, and OGP (10 mol/L) group. Read More

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Retinal thickness and microvascular pathway in Idiopathic Rapid eye movement sleep behaviour disorder and Parkinson's disease.

Parkinsonism Relat Disord 2021 Jun 6;88:40-45. Epub 2021 Jun 6.

Department of Medical, Surgical Sciences and Advanced Technologies GF Ingrassia, Section of Neurosciences, University of Catania, Catania, CT, Italy. Electronic address:

Introduction: Retinal impairment has previously been described in Parkinson's Disease (PD), also in early stage of disease. Idiopathic Rapid-eye-movement sleep Behavior Disorder (iRBD) is considered the strongest marker in the diagnosis of "Prodromal PD". Thus, we evaluated the thickness of retinal layers and the microvascular retinal pattern in a group of iRBD patients compared to PD and healthy subjects (HCs). Read More

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Differential lncRNA expression profiling of cognitive function in middle and old aged monozygotic twins using generalized association analysis.

J Psychiatr Res 2021 Jun 2;140:197-204. Epub 2021 Jun 2.

Unit of Epidemiology, Biostatistics and Biodemography, Department of Public Health, University of Southern Denmark, Denmark; Unit of Human Genetics, Department of Clinical Research, University of Southern Denmark, Denmark. Electronic address:

Cognitive impairment is the most prominent symptom in neurodegenerative disorders affecting quality of life and mortality. However, despite years of research, the molecular mechanism underlying the regulation of cognitive function and its impairment is poorly understood. This study aims to elucidate the role of long non-coding RNAs (lncRNAs) expression and lncRNA-mRNA interaction networks, by analyzing lncRNA expression in whole blood samples of 400 middle and old aged monozygotic twins in association with cognitive function using both linear models and a generalized correlation coefficient (GCC) to capture the diverse patterns of correlation. Read More

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Biostimulation of sulfate-reducing bacteria used for treatment of hydrometallurgical waste by secondary metabolites of urea decomposition by Ochrobactrum sp. POC9: From genome to microbiome analysis.

Chemosphere 2021 May 31;282:131064. Epub 2021 May 31.

Institute of Microbiology, Faculty of Biology, University of Warsaw, Ilji Miecznikowa 1, 02-096, Warsaw, Poland. Electronic address:

Sulfate-reducing bacteria (SRB) are key players in many passive and active systems dedicated to the treatment of hydrometallurgical leachates. One of the main factors reducing the efficiency and activity of SRB is the low pH and poor nutrients in leachates. We propose an innovative solution utilizing biogenic ammonia (B-NH), produced by urea degrading bacteria, as a pretreatment agent for increasing the pH of the leachate and spontaneously stimulating SRB activity via bacterial secondary metabolites. Read More

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Assessment of hexavalent chromium (VI) biosorption competence of indigenous Aspergillus tubingensis AF3 isolated from bauxite mine tailing.

Chemosphere 2021 Jun 1;282:131055. Epub 2021 Jun 1.

Faculty of Electrical and Electronics Engineering, Ton Duc Thang, University, Ho Chi Minh City, Viet Nam. Electronic address:

The intention of this research was to find the most eminent metal tolerant and absorbing autochthonous fungal species from the waste dump of a bauxite mine. Out of the 4 (BI-1, BI-II, BI-III, and BI-IV) predominant isolates, BI-II had an excellent metal tolerance potential against most of the metals in the subsequent order: Cr(VI) (1500), Cu(II) (600), Pb(II) (500), and Zn(II) (500-1500 μg mL). BI-II had shown tolerance to Cr(VI) up to 1500 mg L. Read More

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PLAC1 affects cell to cell communication by interacting with the desmosome complex.

Placenta 2021 Jun 6;110:39-45. Epub 2021 Jun 6.

Laboratory of Genetics and Genomics, National Institute on Aging, Baltimore, MD, 21224, USA. Electronic address:

Introduction: X-linked PLAC1 is highly expressed in placenta during embryogenesis, and when ablated in mice, causes aberrant placental cell layer organization. It is also highly expressed in many types of cancer cell-lines. Although it has been shown that it promotes AKT phosphorylation in cancer cells, the exact mechanism by which it influences placental layer differentiation is unclear. Read More

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