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https://www.readbyqxmd.com/read/28339459/functional-classification-of-dna-variants-by-hybrid-minigenes-identification-of-30-spliceogenic-variants-of-brca2-exons-17-and-18
#1
Eugenia Fraile-Bethencourt, Beatriz Díez-Gómez, Valeria Velásquez-Zapata, Alberto Acedo, David J Sanz, Eladio A Velasco
Mutation screening of the breast cancer genes BRCA1 and BRCA2 identifies a large fraction of variants of uncertain clinical significance (VUS) whose functional and clinical interpretations pose a challenge for genomic medicine. Likewise, an increasing amount of evidence indicates that genetic variants can have deleterious effects on pre-mRNA splicing. Our goal was to investigate the impact on splicing of a set of reported variants of BRCA2 exons 17 and 18 to assess their role in hereditary breast cancer and to identify critical regulatory elements that may constitute hotspots for spliceogenic variants...
March 24, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28334334/p53-and-its-mutants-on-the-slippery-road-from-stemness-to-carcinogenesis
#2
Alina Molchadsky, Varda Rotter
Normal development, tissue homeostasis and regeneration following injury rely on the proper functions of wide repertoire of stem cells (SCs) persisting during embryonic period and throughout the adult life. Therefore, SCs employ robust mechanisms to preserve their genomic integrity and avoid heritage of mutations to their daughter cells. Importantly, propagation of SCs with faulty DNA as well as dedifferentiation of genomically altered somatic cells may result in derivation of cancer SCs, which are considered to be the driving force of the tumorigenic process...
March 15, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28333097/effects-of-a-sativex-like-combination-of-phytocannabinoids-on-disease-progression-in-r6-2-mice-an-experimental-model-of-huntington-s-disease
#3
Sara Valdeolivas, Onintza Sagredo, Mercedes Delgado, Miguel A Pozo, Javier Fernández-Ruiz
Several cannabinoids afforded neuroprotection in experimental models of Huntington's disease (HD). We investigated whether a 1:1 combination of botanical extracts enriched in either ∆⁸-tetrahydrocannabinol (∆⁸-THC) or cannabidiol (CBD), which are the main constituents of the cannabis-based medicine Sativex(®), is beneficial in R6/2 mice (a transgenic model of HD), as it was previously shown to have positive effects in neurotoxin-based models of HD. We recorded the progression of neurological deficits and the extent of striatal deterioration, using behavioral, in vivo imaging, and biochemical methods in R6/2 mice and their corresponding wild-type mice...
March 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28322150/a-novel-technique-for-rejuvenation-of-degenerated-caterpillar-medicinal-mushroom-cordyceps-militaris-ascomycetes-a-valued-traditional-chinese-medicine
#4
Anhui Chen, Yulong Wang, Ying Shao, Bo Huang
Cordyceps militaris has been used in traditional Chinese medicine for many years, but its frequent degeneration during continuous maintenance in culture can lead to substantial commercial losses. In this study, a degenerated strain of C. militaris was obtained by subculturing a wild-type strain through 10 successive subcultures. The relative abundance of the 2 mating types seems to be out of balance in the degenerated strain. By cross-mating 4 single-ascospore isolates (2 for MAT 1-1 and 2 for MAT 1-2) from the degenerated strain, we were able to restore fruiting body production to wild-type levels...
2017: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/28322147/molecular-characterization-and-antioxidant-potential-of-three-wild-culinary-medicinal-mushrooms-from-tripura-northeast-india
#5
Aparajita Roy Das, Madhusmita Borthakur, Ajay Krishna Saha, Santa Ram Joshi, Panna Das
The aim of this study was to characterize 3 wild culinary-medicinal mushrooms using molecular tools and to analyze their antioxidant activity. Antioxidant properties were studied by evaluating free radical scavenging, reducing power, and chelating effect. The mushrooms were identified as Lentinus squarrosulus, L. tuber-regium, and Macrocybe gigantean by amplifying internal transcribed spacer regions of ribosomal DNA. The results demonstrated that the methanolic extract of M. gigantean has the highest free radical scavenging effect and chelating effect, whereas the methanolic extract of L...
2017: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/28319896/a-dynamic-sandwich-assay-on-magnetic-beads-for-selective-detection-of-single-nucleotide-mutations-at-room-temperature
#6
Junxiu Wang, Guoliang Xiong, Liang Ma, Shihui Wang, Xu Zhou, Lei Wang, Lehui Xiao, Xin Su, Changyuan Yu
Single-nucleotide mutation (SNM) has proven to be associated with a variety of human diseases. Development of reliable methods for the detection of SNM is crucial for molecular diagnosis and personalized medicine. The sandwich assays are widely used tools for detecting nucleic acid biomarkers due to their low cost and rapid signaling. However, the poor hybridization specificity of signal probe at room temperature hampers the discrimination of mutant and wild type. Here, we demonstrate a dynamic sandwich assay on magnetic beads for SNM detection based on the transient binding between signal probe and target...
March 12, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28302416/plant-parts-substitution-based-approach-as-a-viable-conservation-strategy-for-medicinal-plants-a-case-study-of-premna-latifolia-roxb
#7
Ashish Kumar Jena, Maninder Karan, Karan Vasisht
BACKGROUND: Rapid population growth and catastrophic harvesting methods of wild medicinal plants especially trees, result in the exploitation of natural sources and its management is the need of the hour. Dashamoolarishta is an amalgam of roots of ten plants of a popular Ayurvedic FDC formulation consisting of the root of Premna latifolia Roxb. as one of its ingredients. Presently, their populations like many other trees are under threat due to extensive use of the roots by the herbal drug industry...
March 14, 2017: Journal of Ayurveda and Integrative Medicine
https://www.readbyqxmd.com/read/28297310/production-and-quality-control-177-lu-nca-dotmp-as-a-potential-agent-for-bone-pain-palliation
#8
Nafise Salek, Mojtaba Shamsaei, Mohammad Ghannadi Maragheh, Simindokht Shirvani Arani, Ali Bahrami Samani
Skeletal uptake of radiolabeled-1, 4, 7, 10-tetraazacyclododecane-1, 4, 7, 10-tetramethylene phosphoric acid (e.g., (177) Lu-DOTMP) complex, is used for bone pain palliation. The moderate energy of β-emitting 177Lu (T1/2=6.7 d,Eβmax=497 keV) has been considered as a potential radionuclide for development of the bone-seeking radiopharmaceutical. Since the specific activity of the radiolabeled carrier molecules should be high, the "no-carrier-added radionuclides" have significant roles in nuclear medicine...
November 2016: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28289429/hematological-and-plasma-biochemical-parameters-in-a-wild-population-of-naja-naja-linnaeus-1758-in-sri-lanka
#9
Duminda S B Dissanayake, Lasanthika D Thewarage, Rathnayake M P Manel Rathnayake, Senanayake A M Kularatne, Jamburagoda G Shirani Ranasinghe, Rajapakse P V Jayantha Rajapakse
BACKGROUND: Hematological studies of any animal species comprise an important diagnostic method in veterinary medicine and an essential tool for the conservation of species. In Sri Lanka, this essential technique has been ignored in studies of many species including reptiles. The aim of the present work was to establish a reference range of hematological values and morphological characterization of wild spectacled cobras (Naja naja) in Sri Lanka in order to provide a diagnostic tool in the assessment of health condition in reptiles and to diagnose diseases in wild populations...
2017: Journal of Venomous Animals and Toxins Including Tropical Diseases
https://www.readbyqxmd.com/read/28284022/trypsin-specific-inhibitors-from-the-macrolepiota-procera-armillaria-mellea-and-amanita-phalloides-wild-mushrooms
#10
Tjaša Lukanc, Jože Brzin, Janko Kos, Jerica Sabotič
Wild growing mushrooms are a rich source of novel proteins with unique features. We have isolated and characterized trypsin inhibitors from two edible mushrooms, the honey fungus (Armillaria mellea) and the parasol mushroom (Macrolepiota procera), and from the poisonous death cap (Amanita phalloides). The trypsin inhibitors isolated: armespin, macrospin and amphaspin, have similar molecular masses, acidic isoelectric points and are not N-glycosylated. They are very strong trypsin inhibitors and weak chymotrypsin inhibitors...
2017: Acta Biochimica Polonica
https://www.readbyqxmd.com/read/28279707/centella-asiatica-attenuates-a%C3%AE-induced-neurodegenerative-spine-loss-and-dendritic-simplification
#11
Nora E Gray, Jonathan A Zweig, Charles Murchison, Maya Caruso, Donald G Matthews, Colleen Kawamoto, Christopher J Harris, Joseph F Quinn, Amala Soumyanath
The medicinal plant Centella asiatica has long been used to improve memory and cognitive function. We have previously shown that a water extract from the plant (CAW) is neuroprotective against the deleterious cognitive effects of amyloid-β (Aβ) exposure in a mouse model of Alzheimer's disease, and improves learning and memory in healthy aged mice as well. This study explores the physiological underpinnings of those effects by examining how CAW, as well as chemical compounds found within the extract, modulate synaptic health in Aβ-exposed neurons...
March 6, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28279174/traditional-knowledge-on-wild-and-cultivated-plants-in-the-kilombero-valley-morogoro-region-tanzania
#12
Mirko Salinitro, Renzo Vicentini, Costantino Bonomi, Annalisa Tassoni
BACKGROUND: This research was performed in four villages adjacent the boundary of Udzungwa Mountains National Park in the Kilombero River plain of Tanzania. The area adjacent the villages is characterized by self-consumption agriculture, with a population that is on average poor, still very tied to traditions and almost entirely unaffected by modernization and technology. The aim of the present study was to investigate and record local knowledge regarding the use of wild and traditionally cultivated plants used for traditional medicine and for other everyday purposes (e...
March 9, 2017: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/28274893/akt-targeted-anti-inflammatory-activity-of-the-methanol-extract-of-chrysanthemum-indicum-var-albescens
#13
Woo Seok Yang, Donghyun Kim, Young-Su Yi, Ji Hye Kim, Hye Yoon Jeong, Kyeonghwan Hwang, Jong-Hoon Kim, Junseong Park, Jae Youl Cho
ETHNOPHARMACOLOGICAL RELEVANCE: Wild chrysanthemum (Chrysanthemum indicum) is one of well-known medicinal plants traditionally used in Korea and China. As a variant of wild chrysanthemum, white wild chrysanthemum (Chrysanthemum indicum var. albescens) is also ethnopharmacologically applied to treat various symptoms such as inflammatory diseases. AIM OF STUDY: Although the anti-inflammatory activity of Chrysanthemum indicum has been reported, the anti-inflammatory activity and underlying molecular mechanism of white wild chrysanthemum are poorly understood...
March 5, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28274170/protective-effects-of-cassia-tora-leaves-in-experimental-cataract-by-modulating-intracellular-communication-membrane-co-transporters-energy-metabolism-and-the-ubiquitin-proteasome-pathway
#14
V Sreelakshmi, Annie Abraham
CONTEXT: Cataract is the clouding of eye lens which causes impairment in vision and accounts for the leading factor of global blindness. Functional food-based prevention of cataract finds application in vision research because of its availability and easy access to all classes of the society. Cassia tora Linn. (Caesalpinaceae) is an edible plant mentioned in the traditional systems of medicine for whole body health, especially to the eyes. OBJECTIVE: The present study evaluates the potential of ethyl acetate fraction of Cassia tora leaves (ECT) on experimental cataract...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28273380/an-aanat-asmt-transgenic-animal-model-constructed-with-crispr-cas9-system-serving-as-the-mammary-gland-bioreactor-to-produce-melatonin-enrich-milk-in-sheep
#15
Teng Ma, Jingli Tao, Minghui Yang, Changjiu He, Xiuzhi Tian, Xiaosheng Zhang, Jinlong Zhang, Shoulong Deng, Jianzhong Feng, Zhenzhen Zhang, Jing Wang, Pengyun Ji, Yukun Song, Pingli He, Hongbing Han, Juncai Fu, Zhengxing Lian, Guoshi Liu
Melatonin as a potent antioxidant exhibits important nutritional and medicinal values. To produce melatonin-enriching milk will benefit to the consumers. In this study, a sheep bioreactor which generates melatonin-enriching milk has been successfully developed by the technology that combined CRISPR/Cas9 system and microinjection. The AANAT and ASMT were cloned from pineal gland of Dorper sheep (Ovis aries). The in vitro studies found that AANAT and ASMT were successfully transferred to the mammary epithelial cell lines and significantly increased melatonin production in the culture medium compared to the non-transgenic cell lines...
March 8, 2017: Journal of Pineal Research
https://www.readbyqxmd.com/read/28263534/cytotoxicity-of-ketamine-xylazine-and-hellabrunn-mixture-in-liver-heart-and-kidney-derived-cells-from-fallow-deer
#16
Veronika Kovacova, Ehdaa Eltayeb Eltigani Abdelsalam, Hana Bandouchova, Jiri Brichta, Barbora Havelkova, Vladimir Piacek, Frantisek Vitula, Jiri Pikula
OBJECTIVES: Chemical restraint of wild animals is practiced to accomplish intended procedures such as capture, clinical examination, collection of diagnostic samples, treatment and/or transport. Extra-label use of animal medicinal drugs is often necessary in wildlife because most approved therapeutics do not list wild species on the labelling. Here, we used cellular in vitro models, a cutting-edge tool of biomedical research, to examine cytotoxicity of anaesthetic agents in fallow deer and extrapolate these data for anaesthetic risks in wildlife...
December 18, 2016: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/28261094/dioscorea-spp-a-wild-edible-tuber-a-study-on-its-ethnopharmacological-potential-and-traditional-use-by-the-local-people-of-similipal-biosphere-reserve-india
#17
REVIEW
Sanjeet Kumar, Gitishree Das, Han-Seung Shin, Jayanta Kumar Patra
A number of wild crops remain unexplored in this world and among them some have excellent medicinal and nutritional properties. India is a harbor of biodiversity in general and phytodiversity in particular. The plant diversity is distributed from the Western Ghats to Eastern Ghats, along with the North-Eastern region and from the Greater Himalayas to the plain of Ganga. Among these distributed floral regions of the country, the Eastern Ghats are important due to their rich floral diversity. The forests of Odisha form a major part of Eastern Ghats in general and the Similipal Biosphere Reserve (SBR) in particular...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28254368/the-impact-of-tumor-biology-on-survival-and-response-to-radiation-therapy-among-patients-with-non-small-cell-lung-cancer-brain-metastases
#18
Jacob A Miller, Rupesh Kotecha, Manmeet S Ahluwalia, Alireza M Mohammadi, John H Suh, Gene H Barnett, Erin S Murphy, Michael A Vogelbaum, Lilyana Angelov, Samuel T Chao
PURPOSE: To investigate the natural history and response to radiation therapy among ALK-rearranged, EGFR-mutated, wild-type adenocarcinoma, and squamous cell non-small cell lung cancer (NSCLC) brain metastases. METHODS AND MATERIALS: Patients with NSCLC brain metastasis diagnosed from 1989 through 2014 at a single tertiary-care institution were included. The primary outcome was overall survival, whereas secondary outcomes included local failure, distant intracranial failure, and radiation necrosis...
January 5, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28254004/identification-of-phenolic-compounds-by-liquid-chromatography-mass-spectrometry-in-seventeen-species-of-wild-mushrooms-in-central-mexico-and-determination-of-their-antioxidant-activity-and-bioactive-compounds
#19
Elhadi M Yahia, Fabiola Gutiérrez-Orozco, Marco A Moreno-Pérez
Wild mushrooms are important for the diet of some communities in Mexico. However, limited information exists on their chemical composition, contribution to the diet, and health effects. We characterized seventeen wild mushroom species growing in the state of Queretaro in Central Mexico. Most species analyzed were edible, but also included nonedible, medicinal, poisonous and toxic specimens. Whole mushrooms (caps and stipes) were characterized for water content, color, and total content of phenolic compounds, flavonoids and anthocyanins...
July 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28253084/organic-cation-transporter-2-oct2-slc22a2-gene-variation-in-the-south-african-bantu-speaking-population-and-functional-promoter-variants
#20
Nina C Wilson, Ananyo Choudhury, Nadia Carstens, Demetra Mavri-Damelin
SLC22A2 facilitates the transport of endogenous and exogenous cationic compounds. Many pharmacologically significant compounds are transported by SLC22A2, including the antidiabetic drug metformin, anticancer agent cisplatin, and antiretroviral lamivudine. Genetic polymorphisms in SLC22A2 can modify the pharmacokinetic profiles of such important medicines and could therefore prove useful as precision medicine biomarkers. Since the frequency of SLC22A2 polymorphisms varies among different ethnic populations, we evaluated these in South African Bantu speakers, a majority group in the South African population, who exhibit unique genetic diversity, and we subsequently functionally characterized promoter polymorphisms...
March 2017: Omics: a Journal of Integrative Biology
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