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Evolutionary medicine

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https://www.readbyqxmd.com/read/28814609/tail-regeneration-and-other-phenomena-of-wound-healing-and-tissue-restoration-in-lizards
#1
REVIEW
Kathy Jacyniak, Rebecca P McDonald, Matthew K Vickaryous
Wound healing is a fundamental evolutionary adaptation with two possible outcomes: scar formation or reparative regeneration. Scars participate in re-forming the barrier with the external environment and restoring homeostasis to injured tissues, but are well understood to represent dysfunctional replacements. In contrast, reparative regeneration is a tissue-specific program that near-perfectly replicates that which was lost or damaged. Although regeneration is best known from salamanders (including newts and axolotls) and zebrafish, it is unexpectedly widespread among vertebrates...
August 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28812535/associating-mutations-causing-cystinuria-with-disease-severity-with-the-aim-of-providing-precision-medicine
#2
Henry J Martell, Kathie A Wong, Juan F Martin, Ziyan Kassam, Kay Thomas, Mark N Wass
BACKGROUND: Cystinuria is an inherited disease that results in the formation of cystine stones in the kidney, which can have serious health complications. Two genes (SLC7A9 and SLC3A1) that form an amino acid transporter are known to be responsible for the disease. Variants that cause the disease disrupt amino acid transport across the cell membrane, leading to the build-up of relatively insoluble cystine, resulting in formation of stones. Assessing the effects of each mutation is critical in order to provide tailored treatment options for patients...
August 11, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28808384/molecular-authentication-of-the-traditional-medicinal-plant-lakshman-booti-smithia-conferta-sm-and-its-adulterants-through-dna-barcoding
#3
Suraj D Umdale, Parthraj R Kshirsagar, Manoj M Lekhak, Nikhil B Gaikwad
BACKGROUND: Smithia conferta Sm. is an annual herb widely used in Indian traditional medical practice and commonly known as "Lakshman booti" in Sanskrit. Morphological resemblance among the species of genus Smithia Aiton. leads to inaccurate identification and adulteration. This causes inconsistent therapeutic effects and also affects the quality of herbal medicine. AIM: This study aimed to generate potential barcode for authentication of S. conferta and its adulterants through DNA barcoding technique...
July 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28797912/genome-wide-identification-functional-and-evolutionary-analysis-of-terpene-synthases-in-pineapple
#4
Xiaoe Chen, Wei Yang, Liqin Zhang, Xianmiao Wu, Tian Cheng, Guanglin Li
Terpene synthases (TPSs) are vital for the biosynthesis of active terpenoids, which have important physiological, ecological and medicinal value. Although terpenoids have been reported in pineapple (Ananas comosus), genome-wide investigations of the TPS genes responsible for pineapple terpenoid synthesis are still lacking. By integrating pineapple genome and proteome data, twenty-one putative terpene synthase genes were found in pineapple and divided into five subfamilies. Tandem duplication is the cause of TPS gene family duplication...
July 6, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28792412/evolutionary-public-health-introducing-the-concept
#5
REVIEW
Jonathan C K Wells, Randolph M Nesse, Rebecca Sear, Rufus A Johnstone, Stephen C Stearns
The emerging discipline of evolutionary medicine is breaking new ground in understanding why people become ill. However, the value of evolutionary analyses of human physiology and behaviour is only beginning to be recognised in the field of public health. Core principles come from life history theory, which analyses the allocation of finite amounts of energy between four competing functions-maintenance, growth, reproduction, and defence. A central tenet of evolutionary theory is that organisms are selected to allocate energy and time to maximise reproductive success, rather than health or longevity...
July 29, 2017: Lancet
https://www.readbyqxmd.com/read/28758992/demystifying-traditional-herbal-medicine-with-modern-approach
#6
Fu-Shuang Li, Jing-Ke Weng
Plants have long been recognized for their therapeutic properties. For centuries, indigenous cultures around the world have used traditional herbal medicine to treat a myriad of maladies. By contrast, the rise of the modern pharmaceutical industry in the past century has been based on exploiting individual active compounds with precise modes of action. This surge has yielded highly effective drugs that are widely used in the clinic, including many plant natural products and analogues derived from these products, but has fallen short of delivering effective cures for complex human diseases with complicated causes, such as cancer, diabetes, autoimmune disorders and degenerative diseases...
July 31, 2017: Nature Plants
https://www.readbyqxmd.com/read/28742770/role-of-the-perioperative-surgical-home-in-optimizing-the-perioperative-use-of-opioids
#7
Thomas R Vetter, Zeev N Kain
Several federal agencies have recently noted that the United States is in the midst of an unprecedented "opioid epidemic," with an increasing number of opioid-related overdoses and deaths. Providers currently face 3 population-level, public health challenges in providing optimal perioperative pain care: (1) the continued lack of overall improvement in the excessive incidence of inadequately treated postoperative pain, (2) minimizing or preventing postoperative opioid-related side effects, and (3) addressing current opioid prescribing patterns, and the accompanying problematic surge in prescription opioid diversion, misuse, abuse, addiction, and overdose...
July 24, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28741494/evolutionary-ecology-of-organs-a-missing-link-in-cancer-development
#8
REVIEW
Frédéric Thomas, Randolph M Nesse, Robert Gatenby, Cindy Gidoin, François Renaud, Benjamin Roche, Beata Ujvari
There is striking variation in the incidence of cancer in human organs. Malignant tumors are common in the colon and breast but rare in the heart and small bowel. The uterus frequently develops benign fibroid tumors but uterine cancers are relatively rare. The organ-specific difference in cancer prevalence has been explained primarily by the relative roles of intrinsic and extrinsic risk factors. In this opinion article, we propose also considering organs as distinct but connected ecosystems whose different vulnerabilities to malignant transformation may be partially explained by how essential each organ is for survival through the age of reproduction...
August 2016: Trends in Cancer
https://www.readbyqxmd.com/read/28741165/history-and-conceptual-developments-in-vascular-biology-and-angiogenesis-research-a-personal-view
#9
REVIEW
Andreas Bikfalvi
Vascular biology is an important scientific domain that has gradually penetrated many medical and scientific fields. Scientists are most often focused on present problems in their daily scientific work and lack awareness regarding the evolution of their domain throughout history and of how philosophical issues are related to their research field. In this article, I provide a personal view with an attempt to conceptualize vascular development research that articulates lessons taken from history, philosophy, biology and medicine...
July 24, 2017: Angiogenesis
https://www.readbyqxmd.com/read/28729406/tumor-evolution-as-a-therapeutic-target
#10
REVIEW
Nabil Amirouchene-Angelozzi, Charles Swanton, Alberto Bardelli
Recent technological advances in the field of molecular diagnostics (including blood-based tumor genotyping) allow the measurement of clonal evolution in patients with cancer, thus adding a new dimension to precision medicine: time. The translation of this new knowledge into clinical benefit implies rethinking therapeutic strategies. In essence, it means considering as a target not only individual oncogenes but also the evolving nature of human tumors. Here, we analyze the limitations of targeted therapies and propose approaches for treatment within an evolutionary framework...
July 20, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28728997/sepsis-reconsidered-identifying-novel-metrics-for-behavioral-landscape-characterization-with-a-high-performance-computing-implementation-of-an-agent-based-model
#11
Chase Cockrell, Gary An
OBJECTIVES: Sepsis affects nearly 1 million people in the United States per year, has a mortality rate of 28-50% and requires more than $20 billion a year in hospital costs. Over a quarter century of research has not yielded a single reliable diagnostic test or a directed therapeutic agent for sepsis. Central to this insufficiency is the fact that sepsis remains a clinical/physiological diagnosis representing a multitude of molecularly heterogeneous pathological trajectories. Advances in computational capabilities offered by High Performance Computing (HPC) platforms call for an evolution in the investigation of sepsis to attempt to define the boundaries of traditional research (bench, clinical and computational) through the use of computational proxy models...
July 18, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28721186/factors-driving-the-global-decline-of-cycad-diversity
#12
Ledile T Mankga, Kowiyou Yessoufou
Mounting evidence indicates that we are witnessing the sixth mass extinction period. Given the important goods and services biodiversity delivers to humans, there is a need for a continued commitment to investigate what pre-disposes some taxa to greater risk of extinction. Here, we investigate this question using a phylogenetic comparative method and fitting a cumulative link mixed effect model on biological, ecological and evolutionary data of cycads, the most threatened lineage in the plant kingdom. We identified nine groups of threats to cycads, with habitat loss, over-collection, fire and reproduction failure being the most prominent, but only four of these threats (habitat loss, over-collection, medicinal uses and reproduction failure) clustered on the cycad tree of life...
July 2017: AoB Plants
https://www.readbyqxmd.com/read/28715960/histone-methylation-by-set-domain-proteins-in-fungi
#13
Michael Freitag
Histone-modifying enzymes are responsible for regulating transcription, recombination, DNA repair, DNA replication, chromatid cohesion, and chromosome segregation. Fungi are ideally suited for comparative chromatin biology because sequencing of numerous genomes from many clades is coupled to existing rich methodology that allows truly holistic approaches, integrating evolutionary biology with mechanistic molecular biology and ecology, promising applications in medicine or plant pathology. While genome information is rich, mechanistic studies on histone modifications are largely restricted to two yeasts, Saccharomyces cerevisiae and Schizosaccharomyces pombe, and one filamentous fungus, Neurospora crassa-three species that arguably are not representative of this diverse kingdom...
July 17, 2017: Annual Review of Microbiology
https://www.readbyqxmd.com/read/28706923/influence-of-abo-blood-group-on-sports-performance
#14
Giuseppe Lippi, Giorgio Gandini, Gian Luca Salvagno, Spyros Skafidas, Luca Festa, Elisa Danese, Martina Montagnana, Fabian Sanchis-Gomar, Cantor Tarperi, Federico Schena
BACKGROUND: Despite being a recessive trait, the O blood group is the most frequent worldwide among the ABO blood types. Since running performance has been recognized as a major driver of evolutionary advantage in humans, we planned a study to investigate whether the ABO blood group may have an influence on endurance running performance in middle-aged recreational athletes. METHODS: The study population consisted of 52 recreational, middle-aged, Caucasian athletes (mean age: 49±13 years, body mass index, 23...
June 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28701907/adaptation-of-human-skin-color-in-various-populations
#15
REVIEW
Lian Deng, Shuhua Xu
BACKGROUND: Skin color is a well-recognized adaptive trait and has been studied extensively in humans. Understanding the genetic basis of adaptation of skin color in various populations has many implications in human evolution and medicine. DISCUSSION: Impressive progress has been made recently to identify genes associated with skin color variation in a wide range of geographical and temporal populations. In this review, we discuss what is currently known about the genetics of skin color variation...
2018: Hereditas
https://www.readbyqxmd.com/read/28698879/complete-chloroplast-genome-sequence-of-coptis-chinensis-franch-and-its-evolutionary-history
#16
Yang He, Hongtao Xiao, Cao Deng, Gang Fan, Shishang Qin, Cheng Peng
The Coptis chinensis Franch. is an important medicinal plant from the Ranunculales. We used next generation sequencing technology to determine the complete chloroplast genome of C. chinensis. This genome is 155,484 bp long with 38.17% GC content. Two 26,758 bp long inverted repeats separated the genome into a typical quadripartite structure. The C. chinensis chloroplast genome consists of 128 gene loci, including eight rRNA gene loci, 28 tRNA gene loci, and 92 protein-coding gene loci. Most of the SSRs in C...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28698171/natural-compounds-for-the-treatment-of-psoriatic-arthritis-a-proposal-based-on-multi-targeted-osteoclastic-regulation-and-on-a-preclinical-study
#17
Shiqiang Deng, Jianwen Cheng, Jinmin Zhao, Felix Yao, Jiake Xu
BACKGROUND: Psoriatic arthritis (PsA) is a chronic inflammatory arthritis affecting approximately 2% to 3% of the population globally, and is characterized by both peripheral articular manifestations and axial skeletal involvement. Conventional therapies for PsA have not been fully satisfactory, though natural products (NPs) have been shown to be highly effective and represent important treatment options for psoriasis. PsA is a multigenic autoimmune disease with both environmental and genetic factors contributing to its pathogenesis...
July 11, 2017: JMIR Research Protocols
https://www.readbyqxmd.com/read/28679454/the-cultural-evolution-of-shamanism
#18
Manvir Singh
Shamans, including medicine-men, mediums, and the prophets of religious movements, recur across human societies. Shamanism also existed among nearly all documented hunter-gatherers, likely characterized the religious lives of many ancestral humans, and is often proposed by anthropologists to be the "first profession", representing the first institutionalized division of labor beyond age and sex. This paper proposes a cultural evolutionary theory to explain why shamanism consistently develops, and in particular, (1) why shamanic traditions exhibit recurrent features around the world, (2) why shamanism professionalizes early, often in the absence of other specialization, and (3) how shifting social conditions affect the form or existence of shamanism...
July 6, 2017: Behavioral and Brain Sciences
https://www.readbyqxmd.com/read/28673971/polymorphism-at-a-mimicry-supergene-maintained-by-opposing-frequency-dependent-selection-pressures
#19
Mathieu Chouteau, Violaine Llaurens, Florence Piron-Prunier, Mathieu Joron
Explaining the maintenance of adaptive diversity within populations is a long-standing goal in evolutionary biology, with important implications for conservation, medicine, and agriculture. Adaptation often leads to the fixation of beneficial alleles, and therefore it erodes local diversity so that understanding the coexistence of multiple adaptive phenotypes requires deciphering the ecological mechanisms that determine their respective benefits. Here, we show how antagonistic frequency-dependent selection (FDS), generated by natural and sexual selection acting on the same trait, maintains mimicry polymorphism in the toxic butterfly Heliconius numata Positive FDS imposed by predators on mimetic signals favors the fixation of the most abundant and best-protected wing-pattern morph, thereby limiting polymorphism...
August 1, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28669337/synthetic-lethality-from-research-to-precision-cancer-nanomedicine
#20
Anuradha Gupta, Anas Ahmad, Aqib Iqbal Dar, Rehan Khan
Cancer is an evolutionary disease with multiple genetic alterations, accumulated due to chromosomal instability and/or aneuploidy and it sometimes acquires drug-resistant phenotype also. Whole genome sequencing and mutational analysis helped in understanding the differences among persons for predisposition of a disease and its treatment non-responsiveness. Thus, molecular targeted therapies came into existence. Among them, the concept of synthetic lethality have enthralled great attention as it is a pragmatic approach towards exploiting cancer cell specific mutations to specifically kill cancer cells without affecting normal cells and thus enhancing anti-cancer drug therapeutic index...
June 30, 2017: Current Cancer Drug Targets
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