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https://www.readbyqxmd.com/read/29343272/biotechnologies-that-empower-transgender-persons-to-self-actualize-as-individuals-partners-spouses-and-parents-are-defining-new-ways-to-conceive-a-child-psychological-considerations-and-ethical-issues
#1
REVIEW
Agnès Condat, Nicolas Mendes, Véronique Drouineaud, Nouria Gründler, Chrystelle Lagrange, Colette Chiland, Jean-Philippe Wolf, François Ansermet, David Cohen
Today, thanks to biomedical technologies advances, some persons with fertility issues can conceive. Transgender persons benefit also from these advances and can not only actualize their self-identified sexual identities but also experience parenthood. Based on clinical multidisciplinary seminars that gathered child psychiatrists and psychoanalysts interested in the fields of assisted reproduction technology (ART) and gender dysphoria, philosophers interested in bioethics, biologists interested in ART, and endocrinologists interested in pubertal suppression, we explore how new biotechnical advances, whether in gender transition or procreation, could create new ways to conceive a child possible...
January 17, 2018: Philosophy, Ethics, and Humanities in Medicine: PEHM
https://www.readbyqxmd.com/read/29341307/chemical-and-enzymatic-strategies-for-bacterial-and-mammalian-cell-surface-engineering
#2
Xiaobao Bi, Juan Yin, Ashley Chen Guanbang, Chuan-Fa Liu
Cell surface serves important functions such as the regulation of cell-cell and cell-environment interactions. The understanding and manipulation of the cell surface is important for a wide range of fundamental studies of cellular behavior and for biotechnological and medical applications. With the rapid advance of biology, chemistry and materials science, many strategies have been developed for the functionalization of bacterial and mammalian cell surfaces. Here, we review the recent development of chemical and enzymatic approaches to cell surface engineering with particular emphasis on discussing the advantages and limitations of each of these strategies...
January 17, 2018: Chemistry: a European Journal
https://www.readbyqxmd.com/read/29291591/proteome-scale-identification-of-leishmania-infantum-for-novel-vaccine-candidates-a-hierarchical-subtractive-approach
#3
Bahareh Vakili, Navid Nezafat, Gholam Reza Hatam, Bijan Zare, Nasrollah Erfani, Younes Ghasemi
Vaccines are one of the most significant achievements in medical science. However, vaccine design is still challenging at all stages. The selection of antigenic peptides as vaccine candidates is the first and most important step for vaccine design. Experimental selection of antigenic peptides for the design of vaccines is a time-consuming, labor-intensive and expensive procedure. More recently, in the light of computer-aided biotechnology and reverse vaccinology, the precise selection of antigenic peptides and rational vaccine design against many pathogens have developed...
December 24, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/29289816/electrochemical-sensor-and-biosensor-platforms-based-on-advanced-nanomaterials-for-biological-and-biomedical-applications
#4
REVIEW
Govindhan Maduraiveeran, Manickam Sasidharan, Vellaichamy Ganesan
Introduction of novel functional nanomaterials and analytical technologies signify a foremost possibility for the advance of electrochemical sensor and biosensor platforms/devices for a broad series of applications including biological, biomedical, biotechnological, clinical and medical diagnostics, environmental and health monitoring, and food industries. The design of sensitive and selective electrochemical biological sensor platforms are accomplished conceivably by offering new surface modifications, microfabrication techniques, and diverse nanomaterials with unique properties for in vivo and in vitro medical analysis via relating a sensibly planned electrode/solution interface...
December 22, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29289634/pilot-production-of-the-recombinant-peptide-toxin-of-heteractis-crispa-as-a-potential-analgesic-by-intein-mediated-technology
#5
Roman S Esipov, Dmitry A Makarov, Vasily N Stepanenko, Maria A Kostromina, Tatyana I Muravyova, Yaroslav A Andreev, Igor A Dyachenko, Sergey A Kozlov, Evgeny V Grishin
APHC3 is an analgesic polypeptide that was found in the sea anemone (Heteractis crispa), and contains 56 amino acid residues. This polypeptide is of interest for the development of medications for diseases, associated with inflammatory or neuropathological processes, as well as its use as an analgesic. This work presents an innovative biotechnological method for APHC3 production. We have constructed a recombinant plasmid intended for biosynthesizing the fusion protein consisting of a chitin-binding domain, DnaB mini-intein from Synechocystis sp...
December 28, 2017: Protein Expression and Purification
https://www.readbyqxmd.com/read/29282463/prevalence-of-work-related-musculoskeletal-disorders-among-surgeons-and-interventionalists-a-systematic-review-and-meta-analysis
#6
Sherise Epstein, Emily H Sparer, Bao N Tran, Qing Z Ruan, Jack T Dennerlein, Dhruv Singhal, Bernard T Lee
Importance: Physicians in procedural specialties are at high risk for work-related musculoskeletal disorders (MSDs). This has been called "an impending epidemic" in the context of the looming workforce shortage; however, prevalence estimates vary by study. Objectives: To estimate the prevalence of work-related MSDs among at-risk physicians and to evaluate the scope of preventive efforts. Data Sources and Study Selection: Systematic search in MEDLINE (Ovid), Embase (Elsevier), Web of Science, PubMed (National Center for Biotechnology Information), and 2 clinical trial registries, without language restriction, for studies reporting on the prevalence and prevention of work-related MSDs among at-risk physicians published until December 2016...
December 27, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/29223193/quality-indicators-for-evaluating-prehospital-emergency-care-a-scoping-review
#7
Ian Howard, Peter Cameron, Lee Wallis, Maaret Castren, Veronica Lindstrom
Introduction Historically, the quality and performance of prehospital emergency care (PEC) has been assessed largely based on surrogate, non-clinical endpoints such as response time intervals or other crude measures of care (eg, stakeholder satisfaction). However, advances in Emergency Medical Services (EMS) systems and services world-wide have seen their scope and reach continue to expand. This has dictated that novel measures of performance be implemented to compliment this growth. Significant progress has been made in this area, largely in the form of the development of evidence-informed quality indicators (QIs) of PEC...
December 10, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/29214563/rare-diseases-joining-mainstream-research-and-treatment-based-on-reliable-epidemiological-data
#8
Stephen C Groft, Manuel Posada de la Paz
Despite growing acceptance of patient registries and natural history studies to provide useful information, the rare disease community suffers from the absence of reliable epidemiological data on the prevalence and incidence of most rare diseases in national and global populations. Likewise, the patients and health care providers lack adequate information on the pathophysiology of rare diseases and expected outcomes of these disorders. The rare diseases community includes all of the stakeholders involved in the research and development and dissemination of products and information for the diagnosis, prevention or treatment of rare diseases or conditions...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29214219/3d-printing-of-bacteria-into-functional-complex-materials
#9
Manuel Schaffner, Patrick A Rühs, Fergal Coulter, Samuel Kilcher, André R Studart
Despite recent advances to control the spatial composition and dynamic functionalities of bacteria embedded in materials, bacterial localization into complex three-dimensional (3D) geometries remains a major challenge. We demonstrate a 3D printing approach to create bacteria-derived functional materials by combining the natural diverse metabolism of bacteria with the shape design freedom of additive manufacturing. To achieve this, we embedded bacteria in a biocompatible and functionalized 3D printing ink and printed two types of "living materials" capable of degrading pollutants and of producing medically relevant bacterial cellulose...
December 2017: Science Advances
https://www.readbyqxmd.com/read/29209784/acaxl2-and-acmst1-regulate-arthrospore-development-and-stress-resistance-in-the-cephalosporin-c-producer-acremonium-chrysogenum
#10
Janina Kluge, Ulrich Kück
The filamentous fungus Acremonium chrysogenum is the primordial producer of the β-lactam antibiotic cephalosporin C. This antibiotic is of major biotechnological and medical relevance because of its antibacterial activity against Gram-positive and Gram-negative bacteria. Antibiotic production during the lag phase of fermentation is often accompanied by a typical morphological feature of A. chrysogenum, the fragmentation of the mycelium into arthrospores. Here, we sought to identify factors that regulate the hyphal septation process and present the first comparative functional characterization of the type I integral plasma membrane protein Axl2 (axial budding pattern protein 2), a central component of the bud site selection system (BSSS) and Mst1 (mammalian Sterile20-like kinase), a septation initiation network (SIN)-associated germinal center kinase (GCK)...
December 5, 2017: Current Genetics
https://www.readbyqxmd.com/read/29190383/bionic-vision-social-work-and-community-development-a-research-participant-s-reflections
#11
Dianne Ashworth
This article discusses bionic vision through the author's experiences as Australia's first research participant in an early prototype bionic eye trial. During her two-year participation, she drew on various theoretical perspectives, including critical and community development approaches that not only influence her professional social work perspective, but extend to her personal worldview. In a rapidly emerging biotechnological age, this article contributes a holistic perspective, bringing into focus theory and practice; issues of human experience, human rights, and oppressive relationships; tensions between agency and structure (particularly relating to disability from a social model of disability and the medical model); and practical applications of artificial vision...
November 28, 2017: Health & Social Work
https://www.readbyqxmd.com/read/29186418/genome-sequence-of-japanese-oak-silk-moth-antheraea-yamamai-the-first-draft-genome-in-family-saturniidae
#12
Seong-Ryul Kim, Woori Kwak, Hyaekang Kim, Kelsey Caetano-Anolles, Kee-Young Kim, Su-Bae Kim, Kwang-Ho Choi, Seong-Wan Kim, Jae-Sam Hwang, Min-Jee Kim, Iksoo Kim, Tae-Won Goo, Seung-Won Park
Background: Antheraea yamamai, also known as the Japanese oak silk moth, is a wild species of silk moth. Silk produced by A. yamamai, referred to as tensan silk, shows different characteristics such as thickness, compressive elasticity and chemical resistance compared to common silk produced from the domesticated silkworm, Bombyx mori. Its unique characteristics have led to its use in many research fields including biotechnology and medical science, and the scientific as well as economic importance of the wild silk moth continues to gradually increase...
November 27, 2017: GigaScience
https://www.readbyqxmd.com/read/29173148/trends-and-prospects-of-plant-proteases-in-therapeutics
#13
Anastasia V Balakireva, Natalia V Kuznetsova, Anastasia I Petushkova, Lyudmila Savvateeva, Andrey A Zamyatnin
The main function of proteases in any living organism is the cleavage of proteins resulting in the degradation of damaged, misfolded and potentially harmful proteins and therefore providing the cell with amino acids essential for the synthesis of new proteins. Besides this main function, proteases may play an important role as signal molecules and participate in numerous protein cascades to maintain the vital processes of an organism. Plant proteases are no exception to this rule. Moreover, in contrast to human-encoded enzymes, many plant proteases possess exceptional features such as higher stability, unique substrate specificity and a wide pH range for enzymatic activity...
November 23, 2017: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29164528/equivalent-analgesic-effectiveness-between-perineural-and-intravenous-dexamethasone-as-adjuvants-for-peripheral-nerve-blockade-a-systematic-review-and-meta-analysis
#14
REVIEW
Nasir Hussain, Tom Van den Langenbergh, Corey Sermer, Manuel L Fontes, Amit Atrey, Naum Shaparin, Tamara R Sawyer, Amaresh Vydyanathan
PURPOSE: Dexamethasone is commonly used as an adjuvant to local anesthetics for peripheral nerve blockade; however, uncertainty persists regarding its optimal route of administration and safety. A systematic review and meta-analysis of randomized-controlled trials (RCTs) was conducted to compare the incremental benefits of intravenous (IV) vs perineural (PN) dexamethasone when used as adjuvants for peripheral nerve blockade to improve analgesia. SOURCES: A search strategy was developed to identify eligible articles from the Cochrane and National Library of Medicine databases from inception until June 2017...
November 21, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/29161110/biotechnological-applications-of-an-insect-specific-alphavirus
#15
Jesse H Erasmus, Scott C Weaver
The coupling of viral and arthropod host diversity, with evolving methods of virus discovery, has resulted in the identification and classification of a growing number of novel insect-specific viruses (ISVs) that appear to be evolutionarily related to many human pathogens but have either lost or have yet to gain the ability to replicate in vertebrates. The discovery of ISVs has raised many questions as to the origin and evolution of many human pathogenic viruses and points to the role that arthropods may play in this evolutionary process...
November 21, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/29150361/post-translational-mechanisms-of-host-subversion-by-bacterial-effectors
#16
REVIEW
Nichollas E Scott, Elizabeth L Hartland
Bacterial effector proteins are a specialized class of secreted proteins that are translocated directly into the host cytoplasm by bacterial pathogens. Effector proteins have diverse activities and targets, and many mediate post-translational modifications of host proteins. Effector proteins offer potential in novel biotechnological and medical applications as enzymes that may modify human proteins. Here, we discuss the mechanisms used by effectors to subvert the human host through blocking, blunting, or subverting immune mechanisms...
November 14, 2017: Trends in Molecular Medicine
https://www.readbyqxmd.com/read/29144411/nucleic-acid-aptamers-emerging-applications-in-medical-imaging-nanotechnology-neurosciences-and-drug-delivery
#17
REVIEW
Pascal Röthlisberger, Cécile Gasse, Marcel Hollenstein
Recent progresses in organic chemistry and molecular biology have allowed the emergence of numerous new applications of nucleic acids that markedly deviate from their natural functions. Particularly, DNA and RNA molecules-coined aptamers-can be brought to bind to specific targets with high affinity and selectivity. While aptamers are mainly applied as biosensors, diagnostic agents, tools in proteomics and biotechnology, and as targeted therapeutics, these chemical antibodies slowly begin to be used in other fields...
November 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29140658/killing-u-s-slowly-curing-the-epidemic-rise-of-cancer-drug-prices
#18
Emily K White
In August 2015, more than 110 U.S. oncologists published an article detailing the deleterious effects of rising cancer drugs prices and calling for numerous reforms to our prescription drug system. These prices are the result of decades of political maneuvering; they reflect the way our country has chosen to pay for healthcare, to foster and reward innovation, and to promote a national free market system. While these choices have resulted in immense profits for pharmaceutical companies—and subsidized the development of prescription drugs globally—they have also left many cancer patients unable to afford their medications...
2017: Food and Drug Law Journal
https://www.readbyqxmd.com/read/29137663/patent-landscape-of-neglected-tropical-diseases-an-analysis-of-worldwide-patent-families
#19
Folahanmi Tomiwa Akinsolu, Vitor Nobre de Paiva, Samuel Santos Souza, Orsolya Varga
BACKGROUND: "Neglected Tropical Diseases" (NTDs) affect millions of people in Africa, Asia and South America. The two primary ways of strategic interventions are "preventive chemotherapy and transmission control" (PCT), and "innovative and intensified disease management" (IDM). In the last 5 years, phenomenal progress has been achieved. However, it is crucial to intensify research effort into NTDs, because of the emerging drug resistance. According to the World Health Organization (WHO), the term NTDs covers 17 diseases, namely buruli ulcer, Chagas disease, dengue, dracunculiasis, echinococcosis, trematodiasis, human African trypanosomiasis, leishmaniasis, leprosy, lymphatic filariasis, onchocerciasis, rabies, schistosomiasis, soil-transmitted helminthes, taeniasis, trachoma, and yaws...
November 14, 2017: Globalization and Health
https://www.readbyqxmd.com/read/29117510/mems-devices-for-drug-delivery
#20
Hyunjoo J Lee, Nakwon Choi, Eui-Sung Yoon, Il-Joo Cho
Novel drug delivery systems based on microtechnology have advanced tremendously, but yet face some technological and societal hurdles to fully achieve their potential. The novel drug delivery systems aim to deliver drugs in a spatiotemporal- and dosage-controlled manner with a goal to address the unmet medical needs from oral delivery and hypodermic injection. The unmet needs include effective delivery of new types of drug candidates that are otherwise insoluble and unstable, targeted delivery to areas protected by barriers (e...
November 5, 2017: Advanced Drug Delivery Reviews
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