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Differential item functioning of the Beck Anxiety Inventory in a rural, multi-ethnic cohort.

J Affect Disord 2021 Jun 12;293:36-42. Epub 2021 Jun 12.

University of Houston, Department of Psychology, Houston, TX, USA. Electronic address:

Background: Evaluating measurement bias is vital to ensure equivalent assessment across diverse groups. One approach for evaluating test bias, differential item functioning (DIF), assesses item-level bias across specified groups by comparing item-level responses between groups that have the same overall score. Previous DIF studies of the Beck Anxiety Inventory (BAI) have only assessed bias across age, sex, and disease duration in monolingual samples. Read More

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Disturbance of the Dlk1-Dio3 imprinted domain may underlie placental Dio3 suppression and extracellular thyroid hormone disturbance in placenta-derived JEG-3 cells following decabromodiphenyl ether (BDE209) exposure.

Toxicology 2021 Jun 21:152837. Epub 2021 Jun 21.

School of Public Health, Department of Environmental Health and Toxicology, Dalian Medical University, Dalian, 116044, China; Liaoning Key Laboratory of Hematopoietic Stem Cell Transplantation and Translational Medicine, Liaoning Medical Center for Hematopoietic Stem Cell Transplantation, Dalian Key Laboratory of Hematology, Diamond Bay Institute of Hematology, Second Hospital of Dalian Medical University, Dalian, Liaoning, 116027, China. Electronic address:

Decabromodiphenyl ether (BDE209) has been widely used as a flame retardant in the past four decades, leading to human health consequences, especially neurological impairments. Our previous in vivo studies have suggested that developmental neurotoxicity in offspring may be the result of BDE209-induced placental type III iodothyronine deiodinase (Dio3) disturbance and consequent thyroid hormone (TH) instability. Dio3 is paternally imprinted gene, and its balanced expression is crucial in directing normal development and growth. Read More

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PICT1 is critical for regulating the Rps27a-Mdm2-p53 pathway by microtubule polymerization inhibitor against cervical cancer.

Biochim Biophys Acta Mol Cell Res 2021 Jun 21:119084. Epub 2021 Jun 21.

Department of Gynecology, Wuhan Fifth Hospital, 122 Xian Zheng Street, Wuhan, Hubei 430050, P. R. China. Electronic address:

In our previous study, it showed that P-3F, a podophyllotoxin derivative, causes the increased level of p53 expression by enhancing p53 stability, resulting from blockage of the Mdm2-p53 feedback loop via nucleolus-to-nucleoplasm translocation of Rps27a in human cervical cancer HeLa cell line. However, the mechanism of regulating Rps27a localization remains to be studied. In the current study, it has been demonstrated that the level of protein interacting with carboxyl terminus 1 (PICT1), originally identified as a tumor suppressor, was decreased in a concentration-dependent manner in response to P-3F, leading to inhibition of human cervical cancer cell lines proliferation. Read More

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Musical instrument engagement across the life course and episodic memory in late life: An analysis of 60 years of longitudinal data from the Wisconsin Longitudinal Study.

PLoS One 2021 24;16(6):e0253053. Epub 2021 Jun 24.

Program in Public Health, Department of Family, Population, and Preventive Medicine, Stony Brook University, Stony Brook, NY, United States of America.

Background: As the global burden of dementia increases, the absence of treatment underscores the need for identification of factors that may improve cognitive reserve-the ability to stave off cognitive decline in old age. The beneficial association between musical instrument engagement and episodic memory has been identified in children, young adults, and older adults. Yet, previous studies in musical instrument engagement have rarely examined the potential for adolescence and adulthood exposures to independently improve cognition, nor have they been linked with the rate of memory decline over time in older adults. Read More

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Lack of Associations Between C-Reactive Protein and Mood and Anxiety Symptoms in Adolescents.

J Child Adolesc Psychopharmacol 2021 Jun 24. Epub 2021 Jun 24.

Department of Psychiatry and Behavioral Sciences, Albert Einstein College of Medicine, Bronx, New York, USA.

Increased peripheral inflammation has been consistently documented in both adult and pediatric depression. However, elevated levels of C-reactive protein (CRP), a nonspecific biomarker for inflammation, have been primarily reported in adults; whether CRP plays a similar role in adolescent depression has not been conclusively established. In our prior work, we identified relationships between CRP and reward neurocircuitry in adolescents with psychiatric symptoms ( = 64) but not with depressive symptoms. Read More

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Chemical Synthesis of Multifunctional Air Pollutants: Terpene-Derived Nitrooxy Organosulfates.

Environ Sci Technol 2021 Jun 24. Epub 2021 Jun 24.

Division of Environment & Sustainability, Hong Kong University of Science & Technology, Clear Water bay, Kowloon, Hong Kong, China.

Nitrooxy organosulfates derived from terpenes (NOS) represent an important class of products formed between anthropogenic pollution (e.g., SO and NO) and natural emissions. Read More

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Extending the Reach of Tooling Theory: A Neurocognitive and Phylogenetic Perspective.

Top Cogn Sci 2021 Jun 24. Epub 2021 Jun 24.

Comparative Cognition Unit, Messerli Research Institute, University of Veterinary Medicine Vienna, University of Vienna, Medical University of Vienna.

Tool use research has suffered from a lack of consistent theoretical frameworks. There is a plethora of tool use definitions and the most widespread ones are so inclusive that the behaviors that fall under them arguably do not have much in common. The situation is aggravated by the prevalence of anecdotes, which have played an undue role in the literature. Read More

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Core outcome set for surgical trials in gastric cancer (GASTROS study): international patient and healthcare professional consensus.

Br J Surg 2021 Jun 24. Epub 2021 Jun 24.

Division of Cancer Sciences, School of Medical Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, UK.

Background: Surgery is the primary treatment that can offer potential cure for gastric cancer, but is associated with significant risks. Identifying optimal surgical approaches should be based on comparing outcomes from well designed trials. Currently, trials report different outcomes, making synthesis of evidence difficult. Read More

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Circular RNA: A novel type of biomarker for glioma (Review).

Mol Med Rep 2021 Aug 24;24(2). Epub 2021 Jun 24.

Department of Radiotherapy, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei 050000, P.R. China.

With the rapid development of sequencing technologies, the characteristics and functions of circular RNAs (circRNAs) in different tissues, and their underlying pathophysiological mechanisms, have been identified. circRNAs are significantly enriched in the brain and are continually expressed from the embryonic stage to the adult stage in rats. Previous studies have reported that certain circRNAs are differentially expressed in glioma and regulate a number of biological processes, such as cell proliferation, metastasis and oncogenesis of glioma. Read More

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EMBRACE: Phase 3/4, Randomized, 52-Week Study of Belimumab Efficacy and Safety in Patients of Black African Ancestry With Systemic Lupus Erythematosus.

Arthritis Rheumatol 2021 Jun 23. Epub 2021 Jun 23.

GlaxoSmithKline, Stockley Park, Uxbridge, Middlesex, UK.

Objective: Enrollment of patients of Black African ancestry with systemic lupus erythematosus (SLE) in Phase 2 and 3 belimumab trials was not reflective of the racial distribution observed in the lupus population. This study assessed efficacy and safety of intravenous (IV) belimumab plus standard therapy in patients of self-identified black race.

Methods: EMBRACE (GSK Study BEL115471; NCT01632241): 52-week multicenter, double-blind (DB), placebo-controlled trial in adults of self-identified black race with active SLE, receiving monthly belimumab 10 mg/kg IV, or placebo, plus standard therapy. Read More

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Recommendations for workforce development in regenerative medicine biomanufacturing.

Stem Cells Transl Med 2021 Jun 24. Epub 2021 Jun 24.

Wake Forest Institute for Regenerative Medicine, Wake Forest University School of Medicine, Winston-Salem, North Carolina, USA.

In its 2019 report, The Skilled Technical Workforce: Crafting America's Science and Engineering Enterprise, the National Science Board recommended a national charge to create a skilled technical workforce (STW) driven by science and engineering. The RegenMed Development Organization (ReMDO), through its RegeneratOR Workforce Development Initiative, has taken on this challenge beginning with an assessment of regenerative medicine (RM) biomanufacturing knowledge, skills, and abilities (KSAs) needed for successful employment. While STW often refers only to associate degree or other prebaccalaureate prepared technicians, the RM biomanufacturing survey included responses related to baccalaureate prepared technicians. Read More

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Blinded Review of Hippocampal Neuropathology in Sudden Unexplained Death in Childhood Reveals Inconsistent Observations and Similarities to Explained Pediatric Deaths.

Neuropathol Appl Neurobiol 2021 Jun 23. Epub 2021 Jun 23.

Comprehensive Epilepsy Center, NYU Langone Health and School of Medicine, New York, NY, USA.

Aims: Hippocampal findings are implicated in the pathogenesis of sudden unexplained death in childhood (SUDC), although some studies have identified similar findings in sudden explained death in childhood (SEDC) cases. We blindly reviewed hippocampal histology in SUDC and SEDC controls.

Methods: Hippocampal H&E slides (n=67; 36 SUDC, 31 controls) from clinical and forensic collaborators were evaluated by 9 blinded reviewers: 3 board-certified forensic pathologists, 3 neuropathologists, and 3 dual-certified neuropathologist/forensic pathologists. Read More

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Risk factors and impact on bile leakage in patients with choledochal cysts: a retrospective case-control analysis.

Updates Surg 2021 Jun 23. Epub 2021 Jun 23.

Department of Pediatric General Surgery, Chongqing University Three Gorges Hospital, Chongqing, People's Republic of China.

Although bile leakage is a major postoperative complication after hepatobiliary surgery, the associated risk factors for pediatric patients remain poorly defined. Here, we intend to identify the perioperative risk factors for bile leakage in pediatric patients with choledochal cysts following Roux-en-Y hepaticojejunostomy. A multicenter case-control study investigating the risk factors for bile leakage was conducted among 1179 eligible pediatric patients with choledochal cysts following Roux-en-Y hepaticojejunostomy between January 2009 and December 2019. Read More

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Seasonal variation in submacular hemorrhages in retinal macroaneurysms and its disappearance in age-related macular degeneration.

Graefes Arch Clin Exp Ophthalmol 2021 Jun 24. Epub 2021 Jun 24.

Department of Ophthalmology, Nagoya University Graduate School of Medicine, Nagoya, Japan.

Purpose: To investigate whether previously reported seasonal variation and winter-dominant prevalence of acute massive submacular hemorrhages (SMHs) caused by age-related macular degeneration (AMD) disappeared, and those caused by retinal microaneurysms (RMAs) emerged.

Method: The medical charts of 95 patients (95 eyes) with SMH caused by AMD and 76 patients (76 eyes) with SMH caused by RMAs in 2012-2019 were retrospectively reviewed. For each subject, the month of onset, the mean ambient temperature of that month were recorded. Read More

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Molecular identification of Sarcocystis species in diaphragm muscle tissue of European mouflon (Ovis gmelini musimon) from Austria.

Parasitol Res 2021 Jun 24. Epub 2021 Jun 24.

Nature Research Centre, Akademijos 2, 08412, Vilnius, Lithuania.

Previous morphological studies suggested that mouflon may have sarcocysts similar to those of sheep. However, to date, no molecular-based studies of the species of Sarcocystis infecting mouflon have been done. The present study identified Sarcocystis species in diaphragm muscle samples from 20 European mouflon (Ovis gmelini musimon). Read More

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Association of furosemide or hydrochlorothiazide use with risk of atrial fibrillation post pacemaker implantation among elderly patients.

Ann Transl Med 2021 May;9(10):855

Department of Cardiology, Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.

Background: Atrial fibrillation (AF) induced by artificial pacing is directly related to atrial remodeling. Previous basic research has shown that furosemide aggravates pathologic myocardial remodeling while hydrochlorothiazide alleviates it. However, whether furosemide or hydrochlorothiazide plays a role in developing AF after pacemaker implantation remains unknown. Read More

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Determining Clinical Patient Selection Guidelines for Head and Neck Adaptive Radiation Therapy Using Random Forest Modelling and a Novel Simplification Heuristic.

Front Oncol 2021 7;11:650335. Epub 2021 Jun 7.

Department of Physics and Astronomy, University of Calgary, Calgary, AB, Canada.

Purpose: To determine which head and neck adaptive radiotherapy (ART) correction objectives are feasible and to derive efficient ART patient selection guidelines.

Methods: We considered various head and neck ART objectives including independent consideration of dose-sparing of the brainstem/spinal cord, parotid glands, and pharyngeal constrictor, as well as prediction of patient weight loss. Two-hundred head and neck cancer patients were used for model development and an additional 50 for model validation. Read More

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Earlier extracranial progression and shorter survival in ALK-rearranged lung cancer with positive liquid rebiopsies.

Transl Lung Cancer Res 2021 May;10(5):2118-2131

Division of Cancer Genome Research, German Cancer Research Center (DKFZ) and National Center for Tumor Diseases (NCT), Heidelberg, Germany.

Background: Liquid rebiopsies can detect resistance mutations to guide therapy of anaplastic lymphoma kinase-rearranged (ALK) non-small-cell lung cancer (NSCLC) failing tyrosine kinase inhibitors (TKI). Here, we analyze how their results relate to the anatomical pattern of disease progression and patient outcome.

Methods: Clinical, molecular, and radiologic characteristics of consecutive TKI-treated ALK NSCLC patients were analyzed using prospectively collected plasma samples and the 17-gene targeted AVENIO kit, which covers oncogenic drivers and all exons. Read More

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Nested-channel for on-demand alternation between electrospray ionization regimes.

Chem Sci 2020 Dec 22;12(5):1907-1914. Epub 2020 Dec 22.

Department of Chemistry, University of New Hampshire 23 Academic Way Durham NH 03824 USA

On-demand electrospray ionization from different liquid channels in the same emitter was realized using filamented capillary and gas phase charge supply. The solution sub-channel was formed when back-filling solution to the emitter tip by capillary action along the filament. Gas phase charge carriers were used to trigger electrospray ionization from the solution meniscus at the tip. Read More

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December 2020

Discovery of cryptic allosteric sites using reversed allosteric communication by a combined computational and experimental strategy.

Chem Sci 2020 Nov 2;12(1):464-476. Epub 2020 Nov 2.

Department of Pathophysiology, Key Laboratory of Cell Differentiation and Apoptosis of Chinese Ministry of Education, Shanghai Jiao Tong University, School of Medicine Shanghai 200025 China

Allostery, which is one of the most direct and efficient methods to fine-tune protein functions, has gained increasing recognition in drug discovery. However, there are several challenges associated with the identification of allosteric sites, which is the fundamental cornerstone of drug design. Previous studies on allosteric site predictions have focused on communication signals propagating from the allosteric sites to the orthosteric sites. Read More

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November 2020

Identifying Key Somatic Copy Number Alterations Driving Dysregulation of Cancer Hallmarks in Lower-Grade Glioma.

Front Genet 2021 7;12:654736. Epub 2021 Jun 7.

College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China.

Somatic copy-number alterations (SCNAs) are major contributors to cancer development that are pervasive and highly heterogeneous in human cancers. However, the driver roles of SCNAs in cancer are insufficiently characterized. We combined network propagation and linear regression models to design an integrative strategy to identify driver SCNAs and dissect the functional roles of SCNAs by integrating profiles of copy number and gene expression in lower-grade glioma (LGG). Read More

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Evaluation and Differential Diagnosis of a Genetic Marked Brucella Vaccine A19ΔvirB12 for Cattle.

Front Immunol 2021 7;12:679560. Epub 2021 Jun 7.

Key Laboratory of Livestock Infectious Diseases in Northeast China, Ministry of Education, College of Animal Science and Veterinary Medicine, Shenyang Agricultural University, Shenyang, China.

is an important zoonotic pathogen that causes severe economic loss to husbandry and poses a threat to human health. The A19 live vaccine has been extensively used to prevent bovine brucellosis in China. However, it is difficult to distinguish the serological response induced by A19 from that induced by natural infection. Read More

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Next-Generation Sequencing Identifies Extended HLA Class I and II Haplotypes Associated With Early-Onset and Late-Onset Myasthenia Gravis in Italian, Norwegian, and Swedish Populations.

Front Immunol 2021 7;12:667336. Epub 2021 Jun 7.

Department of Pathology, Stanford University School of Medicine, Palo Alto, CA, United States.

Genetic susceptibility to myasthenia gravis (MG) associates with specific HLA alleles and haplotypes at the class I and II regions in various populations. Previous studies have only examined alleles at a limited number of HLA loci that defined only broad serotypes or alleles defined at the protein sequence level. Consequently, genetic variants in noncoding and untranslated HLA gene segments have not been fully explored but could also be important determinants for MG. Read More

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Characterization of Brain Iron Deposition Pattern and Its Association With Genetic Risk Factor in Alzheimer's Disease Using Susceptibility-Weighted Imaging.

Front Hum Neurosci 2021 7;15:654381. Epub 2021 Jun 7.

Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States.

The presence of iron is an important factor for normal brain functions, whereas excessive deposition of iron may impair normal cognitive function in the brain and lead to Alzheimer's disease (AD). MRI has been widely applied to characterize brain structural and functional changes caused by AD. However, the effectiveness of using susceptibility-weighted imaging (SWI) for the analysis of brain iron deposition is still unclear, especially within the context of early AD diagnosis. Read More

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A Functional Variant rs2072915 is Associated with the Susceptibility and Mortality of Cervical Squamous Cell Carcinoma.

Pharmgenomics Pers Med 2021 16;14:705-712. Epub 2021 Jun 16.

Department of Pathology, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, 610041, People's Republic of China.

Purpose: Genetic variant has been demonstrated to be a risk factor for the occurrence and outcome of cervical squamous cell carcinoma (CSCC). From previous genome wide association studies, 6p21.32 has been identified as a susceptibility locus of CSCC. Read More

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NF-κB-activated SPRY4-IT1 promotes cancer cell metastasis by downregulating TCEB1 mRNA via Staufen1-mediated mRNA decay.

Oncogene 2021 Jun 23. Epub 2021 Jun 23.

Department of Pharmacology, School of Pharmacy, China Medical University, No.77 Puhe Road, Shenyang North New Area, Shenyang City, 110122, Liaoning, China.

Previous study demonstrated that most long non-coding RNAs (lncRNAs) function as competing endogenous RNAs or molecular sponges to negatively modulate miRNA and regulate tumor development. However, the molecular mechanisms of lncRNAs in cancer are not fully understood. Our study describes the role of the lncRNA SPRY4 intronic transcript 1 (SPRY4-IT1) in cancer metastasis by mechanisms related to Staufen1 (STAU1)-mediated mRNA decay (SMD). Read More

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Fatty acid desaturase 2 (FADS 2) rs174575 (C/G) polymorphism, circulating lipid levels and susceptibility to type-2 diabetes mellitus.

Sci Rep 2021 Jun 23;11(1):13151. Epub 2021 Jun 23.

Department of Biochemistry, K.S.Hegde Medical Academy, Nitte (Deemed To Be University), Deralakatte, Mangalore, India.

Several factors influence an individual's susceptibility in inter-individual lipid changes and its role in the onset of type-2 diabetes mellitus (T2DM). Considering the above fact, the present investigation focuses on determining the association between fatty acid desaturase 2 (FADS2) rs174575 (C/G) polymorphism, circulating lipid levels and susceptibility to type-2 diabetes mellitus. As per the inclusion and exclusion criteria a total of 429 subjects (non-diabetic-216; diabetic-213) were recruited for the study. Read More

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Extraperitoneal parastomal metastasis of malignant peritoneal mesothelioma.

BMJ Case Rep 2021 Jun 23;14(6). Epub 2021 Jun 23.

Pathology Queensland Rockhampton, Rockhampton Hospital, Rockhampton, Queensland, Australia.

A 75-year-old man was referred to surgical outpatient department with what was thought to be a parastomal hernia. Through further investigations with CT and biopsy, it was identified that the parastomal mass was metastatic peritoneal mesothelioma in the abdominal wall and subcutaneous tissue. The patient had a significant surgical history including a previous abdominoperineal resection with end colostomy 9 years prior and a right hemicolectomy for small bowel obstruction the previous year which diagnosed peritoneal mesothelioma. Read More

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