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Dual activation of Hedgehog and Wnt/β-catenin signaling pathway caused by downregulation of SUFU targeted by miRNA-150 in human gastric cancer.

Aging (Albany NY) 2021 Apr 12;13. Epub 2021 Apr 12.

Guangdong Key Laboratory for Genome Stability and Disease Prevention, Department of Pathology, Shenzhen University School of Medicine, Shenzhen 518060, Guangdong, P.R. China.

Mounting evidence has shown that miRNA-150 expression is upregulated in gastric cancer (GC) and is associated with gastric carcinogenesis, but the underlying oncogenic mechanism remains elusive. Here, we discovered that miRNA-150 targets the tumor suppressor SUFU to promote cell proliferation, migration, and the epithelial-mesenchymal transition (EMT) via the dual activation of Hedgehog (Hh) and Wnt signaling. MiRNA-150 was highly expressed in GC tissues and cell lines, and the level of this miRNA was negatively related to that of SUFU. Read More

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Innate Immunity in Age-Related Macular Degeneration.

Adv Exp Med Biol 2021 ;1256:121-141

Section on Neuron-Glia Interactions in Retinal Disease, National Eye Institute, National Institutes of Health, Bethesda, MD, USA.

Multiple lines of investigation have demonstrated that inflammation plays significant roles in etiology of age-related macular degeneration (AMD). Although interventional trials in AMD therapy targeting inflammatory pathways have been conducted, they have not yet been successful and a detailed understanding as to why some have failed is still elusive. One limitation is the relative dearth of information on how immune cells interact with retinal cells to generate AMD phenotypes at each disease stage. Read More

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January 2021

Systematic review of interventions to increase the use of arteriovenous fistulae and grafts in incident haemodialysis patients.

J Vasc Access 2021 Apr 12:11297298211006994. Epub 2021 Apr 12.

Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK.

Background: Patients who commence haemodialysis (HD) through arteriovenous fistulae and grafts (AVF/G) have improved survival compared to those who do so by venous lines.

Objectives: This systematic review aims to assimilate the evidence for any strategy which increases the proportion of HD patients starting dialysis through AVF/G.

Data Sources: Medline, Embase, Cochrane Central and Scopus. Read More

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The implication of ROCK 2 as a potential senotherapeutic target via the suppression of the harmful effects of the SASP: Do senescent cancer cells really engulf the other cells?

Cell Signal 2021 Apr 9:110007. Epub 2021 Apr 9.

Department of Pharmacology, Faculty of Pharmacy, Gazi University, 06330 Ankara, Turkey. Electronic address:

Chemotherapy-induced senescent cancer cells secrete several factors in their microenvironment called SASP. Accumulated evidence states that SASP is responsible for some of the harmful effects of chemotherapy such as drug resistance and the induction of cancer cell proliferation, migration, and invasion. Therefore, to develop senolytic and/or senomorphic drugs, targeting the senescent cells gains importance as a new strategy for preventing the damage that senescent cancer cells cause. Read More

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Morphologic design of sugar-based polymer nanoparticles for delivery of antidiabetic peptides.

J Control Release 2021 Apr 9. Epub 2021 Apr 9.

Departments of Chemistry, Chemical Engineering, and Materials Science & Engineering, Texas A&M University, College Station, TX 77842, USA. Electronic address:

Zwitterionic polymer nanoparticles of diverse morphologies (spherical, cylindrical, and platelet-like) constructed from biocompatible sugar-based polymers are designed to extend the pharmacological activities of short- and long-acting insulin peptides, thereby providing potential for therapeutic systems capable of reducing the frequency of administration and improving patient compliance. Amphiphilic block copolymers composed of zwitterionic poly(d-glucose carbonate) and semicrystalline polylactide segments were synthesized, and the respective block length ratios were tuned to allow formation of nanoscopic assemblies having different morphologies. Insulin-loaded nanoparticles had similar sizes and morphologies to the unloaded nanoparticle counterparts. Read More

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The Urogynecology Section of the Polish Society of Gynecologists and Obstetricians guidelines on the management of non-neurogenic overactive bladder syndrome in women.

Ginekol Pol 2021 ;92(3):236-251

Department of Operative Gynecology and Gynecologic Oncology, I Department of Gynecology and Obstetrics, Medical University of Lodz, Poland.

Objectives: The aim of the publication was to present the interdisciplinary guidelines of the Urogynecology Section of the Polish Society of Gynecologists and Obstetricians (PSGO) for the treatment of overactive bladder (OAB) syndrome based on the available literature, expert knowledge, and everyday practice.

Material And Methods: A review of the literature, including current recommendations for the treatment of overactive bladder syndrome, urinary incontinence, urgency and mixed urinary incontinence, as well as the earlier recommendations of the PSGO Urogynecology Section, was conducted.

Results: Management of the patients with OAB is presented. Read More

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January 2021