keyword
MENU ▼
Read by QxMD icon Read
search

human molecular biology

keyword
https://www.readbyqxmd.com/read/29244827/neuroligin-4x-overexpression-in-human-breast-cancer-is-associated-with-poor-relapse-free-survival
#1
Henry J Henderson, Balasubramanyam Karanam, Rajeev Samant, Komal Vig, Shree R Singh, Clayton Yates, Deepa Bedi
The molecular mechanisms involved in breast cancer progression and metastasis still remain unclear to date. It is a heterogeneous disease featuring several different phenotypes with consistently different biological characteristics. Neuroligins are neural cell adhesion molecules that have been implicated in heterotopic cell adhesion. In humans, alterations in neuroligin genes are implicated in autism and other cognitive diseases. Until recently, neuroligins have been shown to be abundantly expressed in blood vessels and also play a role implicated in the growth of glioma cells...
2017: PloS One
https://www.readbyqxmd.com/read/29244804/conditional-knockout-mice-for-the-distal-appendage-protein-cep164-reveal-its-essential-roles-in-airway-multiciliated-cell-differentiation
#2
Saul S Siller, Himanshu Sharma, Shuai Li, June Yang, Yong Zhang, Michael J Holtzman, Wipawee Winuthayanon, Holly Colognato, Bernadette C Holdener, Feng-Qian Li, Ken-Ichi Takemaru
Multiciliated cells of the airways, brain ventricles, and female reproductive tract provide the motive force for mucociliary clearance, cerebrospinal fluid circulation, and ovum transport. Despite their clear importance to human biology and health, the molecular mechanisms underlying multiciliated cell differentiation are poorly understood. Prior studies implicate the distal appendage/transition fiber protein CEP164 as a central regulator of primary ciliogenesis; however, its role in multiciliogenesis remains unknown...
December 15, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/29244787/loss-of-podocalyxin-causes-a-novel-syndromic-type-of-congenital-nephrotic-syndrome
#3
Hee Gyung Kang, Moses Lee, Kyoung Boon Lee, Michael Hughes, Bo Sang Kwon, Sangmoon Lee, Kelly M McNagny, Yo Han Ahn, Jung Min Ko, Il-Soo Ha, Murim Choi, Hae Il Cheong
Many cellular structures directly imply specific biological functions. For example, normal slit diaphragm structures that extend from podocyte foot processes ensure the filtering function of renal glomeruli. These slits are covered by a number of surface proteins, such as nephrin, podocin, podocalyxin and CD2AP. Here we report a human patient presenting with congenital nephrotic syndrome, omphalocele and microcoria due to two loss-of-function mutations in PODXL, which encodes podocalyxin, inherited from each parent...
December 15, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/29243926/antibacterial-activity-of-nitric-oxide-releasing-hyperbranched-polyamidoamines
#4
Lei Yang, Xingzhi Wang, Dakota J Suchyta, Mark H Schoenfisch
Hyperbranched polyamidoamines (h-PAMAM) were prepared using a one-pot reaction to have similar molecular weight to third generation PAMAM (G3-PAMAM) dendrimers, and then functionalized with N-diazeniumdiolate nitric oxide (NO) donors. A wide range of NO storage capacities (∼1-2.50 μmol mg-1) and NO-release kinetics (t1/2 ∼30-80 min) were achieved by changing the extent of propylene oxide (PO) modification. The therapeutic potential of these materials was evaluated by studying their antibacterial activities and toxicity against common dental pathogens and human gingival fibroblast cells, respectively...
December 15, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/29243868/genetic-diversity-of-small-populations-not-always-doom-and-gloom
#5
Dylan J Fraser
Is a key theory of evolutionary and conservation biology-that loss of genetic diversity can be predicted from population size-on shaky ground? In the face of increasing human-induced species depletion and habitat fragmentation, this question and the study of genetic diversity in small populations are paramount to understanding the limits of species' responses to environmental change and to providing remedies to endangered species conservation. Few empirical studies have investigated to what degree some small populations might be buffered against losses of genetic diversity...
December 2017: Molecular Ecology
https://www.readbyqxmd.com/read/29243353/first-in-human-evaluation-of-the-vascular-biocompatibility-and-biomechanical-performance-of-a-novel-ultra-high-molecular-weight-amorphous-plla-bioresorbable-scaffold-in-the-absence-of-anti-proliferative-drugs-two-year-imaging-results-in-humans
#6
Miguel Moncada, Juan A Delgado, Antonio Colombo, Pawel Gasior, Kamal Ramzipoor, Alex Estrada, Chang Lee, Danny Dokko, Juan F Granada
OBJECTIVES: In this first-in-human study, we prospectively studied the vascular compatibility and mechanical performance of a novel bare ultra-high molecular weight amorphous PLLA bioresorbable scaffold (BRS, FORTITUDE®, Amaranth Medical, Mountain View, California) up to two years after implantation using multimodality imaging techniques. BACKGROUND: The vascular biocompatibility of polymers used in BRS has not been fully characterized in the absence of anti-proliferative drugs...
December 15, 2017: Catheterization and Cardiovascular Interventions
https://www.readbyqxmd.com/read/29242678/keap1-and-done-targeting-the-nrf2-pathway-with-sulforaphane
#7
Albena T Dinkova-Kostova, Jed W Fahey, Rumen V Kostov, Thomas W Kensler
Background: Since the re-discovery of sulforaphane in 1992 and the recognition of the bioactivity of this phytochemical, many studies have examined its mode of action in cells, animals and humans. Broccoli, especially as young sprouts, is a rich source of sulforaphane and broccoli-based preparations are now used in clinical studies probing efficacy in health preservation and disease mitigation. Many putative cellular targets are affected by sulforaphane although only one, KEAP1-NRF2 signaling, can be considered a validated target at this time...
November 2017: Trends in Food Science & Technology
https://www.readbyqxmd.com/read/29242146/control-of-oocyte-meiotic-maturation-in-c-elegans
#8
REVIEW
Gabriela Huelgas-Morales
In virtually all sexually reproducing animals, oocytes arrest in meiotic prophase and resume meiosis in a conserved biological process called meiotic maturation. Meiotic arrest enables oocytes, which are amongst the largest cells in an organism, to grow and accumulate the necessary cellular constituents required to support embryonic development. Oocyte arrest can be maintained for a prolonged period, up to 50 years in humans, and defects in the meiotic maturation process interfere with the faithful segregation of meiotic chromosomes, representing the leading cause of human birth defects and female infertility...
December 11, 2017: Seminars in Cell & Developmental Biology
https://www.readbyqxmd.com/read/29241666/identification-of-human-circadian-genes-based-on-time-course-gene-expression-profiles-by-using-a-deep-learning-method
#9
Peng Cui, Tingyan Zhong, Zhuo Wang, Tao Wang, Hongyu Zhao, Chenglin Liu, Hui Lu
Circadian genes express periodically in an approximate 24-h period and the identification and study of these genes can provide deep understanding of the circadian control which plays significant roles in human health. Although many circadian gene identification algorithms have been developed, large numbers of false positives and low coverage are still major problems in this field. In this study we constructed a novel computational framework for circadian gene identification using deep neural networks (DNN) a deep learning algorithm which can represent the raw form of data patterns without imposing assumptions on the expression distribution...
December 11, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29241556/hepatic-dysfunction-caused-by-consumption-of-a-high-fat-diet
#10
Anthony R Soltis, Norman J Kennedy, Xiaofeng Xin, Feng Zhou, Scott B Ficarro, Yoon Sing Yap, Bryan J Matthews, Douglas A Lauffenburger, Forest M White, Jarrod A Marto, Roger J Davis, Ernest Fraenkel
Obesity is a major human health crisis that promotes insulin resistance and, ultimately, type 2 diabetes. The molecular mechanisms that mediate this response occur across many highly complex biological regulatory levels that are incompletely understood. Here, we present a comprehensive molecular systems biology study of hepatic responses to high-fat feeding in mice. We interrogated diet-induced epigenomic, transcriptomic, proteomic, and metabolomic alterations using high-throughput omic methods and used a network modeling approach to integrate these diverse molecular signals...
December 12, 2017: Cell Reports
https://www.readbyqxmd.com/read/29241478/microrna-296-targets-specificity-protein-1-to-suppress-cell-proliferation-and-invasion-in-cervical-cancer
#11
Lili Lv, Xiaodong Wang
Cervical cancer is the third most commonly diagnosed malignancy and the fourth leading cause of cancer-related deaths in women worldwide. MicroRNA-296 (miR-296) is aberrantly expressed in a variety of human cancer types. However, the expression levels, biological roles and underlying molecular mechanisms of miR-296 in cervical cancer remain unclear. This study aims to detect miR-296 expression in cervical cancer and evaluate its roles and underlying mechanisms in cervical cancer. This study demonstrated that miR-296 was significantly downregulated in cervical cancer tissues and cell lines...
December 14, 2017: Oncology Research
https://www.readbyqxmd.com/read/29241027/when-forensic-odontology-met-biochemistry-multidisciplinary-approach-in-forensic-human-identification
#12
REVIEW
Joe Adserias-Garriga, Christian Thomas, Douglas H Ubelaker, Sara C Zapico
When human remains are found, the priority of the investigation is to ascertain the identity of the deceased. A positive identification is a key factor in providing closure for the family of the deceased; it is also required to issue the death certificate and therefore, to settle legal affairs. Moreover, it is difficult for any forensic investigation involving human remains to be solved without the determination of an identity. Therefore, personal identification is necessary for social, legal and forensic reasons...
December 9, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/29240606/genetic-studies-of-human-neuropathic-pain-conditions-a-review
#13
Katerina Zorina-Lichtenwalter, Marc Parisien, Luda Diatchenko
Numerous studies have shown associations between genetic variants and neuropathic pain disorders. Rare monogenic disorders are caused by mutations of substantial effect size in a single gene, whereas common disorders are likely to have a contribution from multiple genetic variants of mild effect size, representing different biological pathways. In this review, we survey the reported genetic contributors to neuropathic pain and submit them for validation in a 150,000-participant sample of the U.K. Biobank cohort...
November 3, 2017: Pain
https://www.readbyqxmd.com/read/29239498/amyloid-like-aggregation-of-designer-bolaamphiphilic-peptides-effect-of-hydrophobic-section-and-hydrophilic-heads
#14
Feng Qiu, Chengkang Tang, Yongzhu Chen
Amyloid-like aggregation of natural proteins or polypeptides is an important process involved in many human diseases as well as some normal biological functions. Plenty of works have been done on this ubiquitous phenomenon, but the molecular mechanism of amyloid-like aggregation has not been fully understood yet. In this study, we showed that a series of designer bolaamphiphilic peptides could undergo amyloid-like aggregation even though they didn't possess typical β-sheet secondary structure. Through systematic amino acid substitution, we found that for the self-assembling ability, the number and species of amino acid in hydrophobic section could be variable as long as enough hydrophobic interaction is provided, while different polar amino acids as the hydrophilic heads could change the self-assembling nanostructures with their aggregating behaviors affected by pH value change...
December 14, 2017: Journal of Peptide Science: An Official Publication of the European Peptide Society
https://www.readbyqxmd.com/read/29238347/langerhans-cells-programmed-by-the-epidermis
#15
REVIEW
Kalum Clayton, Andres F Vallejo, James Davies, Sofia Sirvent, Marta E Polak
Langerhans cells (LCs) reside in the epidermis as a dense network of immune system sentinels. These cells determine the appropriate adaptive immune response (inflammation or tolerance) by interpreting the microenvironmental context in which they encounter foreign substances. In a normal physiological, "non-dangerous" situation, LCs coordinate a continuous state of immune tolerance, preventing unnecessary and harmful immune activation. Conversely, when they sense a danger signal, for example during infection or when the physical integrity of skin has been compromised as a result of a trauma, they instruct T lymphocytes of the adaptive immune system to mount efficient effector responses...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/29238093/circhipk2-mediated-%C3%AF-1r-promotes-endoplasmic-reticulum-stress-in-human-pulmonary-fibroblasts-exposed-to-silica
#16
Zhouli Cao, Qingling Xiao, Xiaoniu Dai, Zewei Zhou, Rong Jiang, Yusi Cheng, Xiyue Yang, Huifang Guo, Jing Wang, Zhaoqing Xi, Honghong Yao, Jie Chao
Silicosis is characterized by fibroblast accumulation and excessive deposition of extracellular matrix. Although the roles of SiO2-induced chemokines and cytokines released from alveolar macrophages have received significant attention, the direct effects of SiO2 on protein production and functional changes in pulmonary fibroblasts have been less extensively studied. Sigma-1 receptor, which has been associated with cell proliferation and migration in the central nervous system, is expressed in the lung, but its role in silicosis remains unknown...
December 13, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/29237829/unexpected-functional-divergence-of-bat-influenza-virus-ns1-proteins
#17
Hannah L Turkington, Mindaugas Juozapaitis, Nikos Tsolakos, Eugenia Corrales-Aguilar, Martin Schwemmle, Benjamin G Hale
Recently, two influenza A virus (FLUAV) genomes were identified in Central and South American bats. These sequences exhibit notable divergence from classical FLUAV counterparts, and functionally, bat FLUAV glycoproteins lack canonical receptor binding and destroying activity. Nevertheless, other features that distinguish these viruses from classical FLUAVs have yet to be explored. Here, we studied the viral non-structural protein, NS1, a virulence factor that modulates host signaling to promote efficient propagation...
December 13, 2017: Journal of Virology
https://www.readbyqxmd.com/read/29237052/multimode-drug-inducible-crispr-cas9-devices-for-transcriptional-activation-and-genome-editing
#18
Jia Lu, Chen Zhao, Yingze Zhao, Jingfang Zhang, Yue Zhang, Li Chen, Qiyuan Han, Yue Ying, Shuai Peng, Runna Ai, Yu Wang
Precise investigation and manipulation of dynamic biological processes often requires molecular modulation in a controlled inducible manner. The clustered, regularly interspaced, short palindromic repeats (CRISPR)/CRISPR associated protein 9 (Cas9) has emerged as a versatile tool for targeted gene editing and transcriptional programming. Here, we designed and vigorously optimized a series of Hybrid drug Inducible CRISPR/Cas9 Technologies (HIT) for transcriptional activation by grafting a mutated human estrogen receptor (ERT2) to multiple CRISPR/Cas9 systems, which renders them 4-hydroxytamoxifen (4-OHT) inducible for the access of genome...
December 9, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/29236059/the-toxicity-of-nanoparticles-depends-on-multiple-molecular-and-physicochemical-mechanisms
#19
REVIEW
Yue-Wern Huang, Melissa Cambre, Han-Jung Lee
Nanotechnology is an emerging discipline that studies matters at the nanoscale level. Eventually, the goal is to manipulate matters at the atomic level to serve mankind. One growing area in nanotechnology is biomedical applications, which involve disease management and the discovery of basic biological principles. In this review, we discuss characteristics of nanomaterials, with an emphasis on transition metal oxide nanoparticles that influence cytotoxicity. Identification of those properties may lead to the design of more efficient and safer nanosized products for various industrial purposes and provide guidance for assessment of human and environmental health risk...
December 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29236047/hasc-and-dfat-multipotent-stem-cells-for-regenerative-medicine-a-comparison-of-their-potential-differentiation-in-vitro
#20
Marco Saler, Laura Caliogna, Laura Botta, Francesco Benazzo, Federica Riva, Giulia Gastaldi
Adipose tissue comprises both adipose and non-adipose cells such as mesenchymal stem cells. These cells show a surface antigenic profile similar to that of bone-marrow-derived MSC. The cells derived from the dedifferentiation of mature adipocytes (DFAT) are another cell population with characteristics of stemness. The aim of this study is to provide evidence of the stemness, proliferation, and differentiation of human adipose stem cells (hASC) and DFAT obtained from human subcutaneous AT and evaluate their potential use in regenerative medicine...
December 13, 2017: International Journal of Molecular Sciences
keyword
keyword
2788
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"