I tried to kill myself, more than once in fact. It was a troubling time for me and as a former active duty Marine that might not be too surprising […]... Read more »
Guintivano, J., Brown, T., Newcomer, A., Jones, M., Cox, O., Maher, B., Eaton, W., Payne, J., Wilcox, H., & Kaminsky, Z. (2014) Identification and Replication of a Combined Epigenetic and Genetic Biomarker Predicting Suicide and Suicidal Behaviors. American Journal of Psychiatry. DOI: 10.1176/appi.ajp.2014.14010008
Guintivano, J., Arad, M., Gould, T., Payne, J., & Kaminsky, Z. (2013) Antenatal prediction of postpartum depression with blood DNA methylation biomarkers. Molecular Psychiatry, 19(5), 560-567. DOI: 10.1038/mp.2013.62
Anecdotal reports have linked traumatic brain injury with later violent death including death by suicide.Few large epidemiological studies have been published on this association.However, a recent Swedish population study published in JAMA Psychiatry provides valuable insight into this issue.Seena Fazel and colleagues from the University of Oxford, University College London and the Karolinksa Institute examined a large database of over 200,000 patients with TBI.Cases of TBI were identified from ........ Read more »
Fazel S, Wolf A, Pillas D, Lichtenstein P, & Långström N. (2014) Suicide, fatal injuries, and other causes of premature mortality in patients with traumatic brain injury: a 41-year Swedish population study. JAMA psychiatry, 71(3), 326-33. PMID: 24430827
The Great War helped create the influenza pandemic of 1918, which eventually brought an early end to the Great War. Continue reading...... Read more »
Gamblin S. J. (2004) The Structure and Receptor Binding Properties of the 1918 Influenza Hemagglutinin. Science, 303(5665), 1838-1842. DOI: http://dx.doi.org/10.1126/science.1093155
Barry John M. (2004) The site of origin of the 1918 influenza pandemic and its public health implications (Commentary). Journal of Translational Medicine, 2(3). DOI: 10.1186/1479-5876-2-3
Humphries M. O. (2014) Paths of Infection: The First World War and the Origins of the 1918 Influenza Pandemic. War in History, 21(1), 55-81. DOI: http://dx.doi.org/10.1177/0968344513504525
Is there a minimum size for life? How would you measure it, cell volume or genome size? People do both. The current minimum example of life is Mycoplasma genitalium, at just 200 nm by 600 nm in well-fed cultures. M. genitalium also has the smallest known genome for a free-living organism (520 genes, we have about 27,000). Some organisms have fewer genes (137 or so) but are endosymbionts, so they can get away with trashing some of their DNA. New research shows that M. genitalium is a pathogenic o........ Read more »
Manhart LE. (2013) Mycoplasma genitalium: An emergent sexually transmitted disease?. Infectious disease clinics of North America, 27(4), 779-92. PMID: 24275270
Wu CY, Young L, Young D, Martel J, & Young JD. (2013) Bions: a family of biomimetic mineralo-organic complexes derived from biological fluids. PloS one, 8(9). PMID: 24086546
Gibson DG, Glass JI, Lartigue C, Noskov VN, Chuang RY, Algire MA, Benders GA, Montague MG, Ma L, Moodie MM.... (2010) Creation of a bacterial cell controlled by a chemically synthesized genome. Science (New York, N.Y.), 329(5987), 52-6. PMID: 20488990
The findings from Jai Eun Choi and colleagues  suggesting that use of the antipsychotic risperidone may impact on levels of certain cytokines - messenger cells of the immune system - in some cases of autism spectrum disorder (ASD) grabbed my attention recently. I've always been pretty interested in the complexity of the immune system when it comes to something like autism (see here) as well as the various examples of how many of the medications used to 'manage' aspects of autis........ Read more »
Choi JE, Widjaja F, Careaga M, Bent S, Ashwood P, & Hendren RL. (2014) Change in Plasma Cytokine Levels During Risperidone Treatment in Children with Autism. Journal of child and adolescent psychopharmacology. PMID: 24828014
Gabapentin and pregabalin misuse are problems that are not going to go away. My post on gabapentin is one of the most-read on this site. While these are useful medicines, workers in drug treatment and support see patients regularly on gabapentin or pregabalin who have misused the drugs or who are misusing them. Guidance is [...]
The post Gabapentin and pregabalin misuse appeared first on Recovery Review.
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Schifano, F. (2014) Misuse and Abuse of Pregabalin and Gabapentin: Cause for Concern?. CNS Drugs, 28(6), 491-496. DOI: 10.1007/s40263-014-0164-4
Do you rise to the occasion, or do you fold under the pressure? No matter which side of the fence you’re, you can thank [or blame] your brain. Some people […]... Read more »
Kumar, S., Hultman, R., Hughes, D., Michel, N., Katz, B., & Dzirasa, K. (2014) Prefrontal cortex reactivity underlies trait vulnerability to chronic social defeat stress. Nature Communications. DOI: 10.1038/ncomms5537
Sleep problems are common following traumatic brain injury (TBI).In a previous post, I reviewed a study of the risk factors for sleep disorders following TBI.The most severe TBI is a risk factor for hypersomnia. Anxiety and depression following TBI increase risk for insomnia complaints.Few large studies of treatment for sleep problems after TBI exist. However, a recent manuscript outlined the potential benefit of treatment of sleep disorders in a series of 12 subjects.Catherine Wiseman-Hake........ Read more »
Wiseman-Hakes C, Murray B, Moineddin R, Rochon E, Cullen N, Gargaro J, & Colantonio A. (2013) Evaluating the impact of treatment for sleep/wake disorders on recovery of cognition and communication in adults with chronic TBI. Brain injury : [BI], 27(12), 1364-76. PMID: 24070180
A brief entry today and yet another blog post that starts with a quote (sorry)... "The offspring exposed to VPA [valproic acid] prenatally demonstrated a significant decrease in the number of play initiations/attacks and this was reversed with the KD [ketogenic diet]".Gloucester Old Spot @ Wikipedia That finding reported in the paper by Ahn and colleagues  continues my interest in all-things related to prenatal VPA exposure and the reported effects on some offspring (........ Read more »
Ahn Y, Narous M, Tobias R, Rho JM, & Mychasiuk R. (2014) The Ketogenic Diet Modifies Social and Metabolic Alterations Identified in the Prenatal Valproic Acid Model of Autism Spectrum Disorder. Developmental neuroscience. PMID: 25011527
A new study from Colombia sees Blastocystis as a quasi-ubiquitous organism.... Read more »
Londoño-Franco AL, Loaiza-Herrera J, Lora-Suárez FM, & Gómez-Marín JE. (2014) [Blastocystis sp . frequency and sources among children from 0 to 5 years of age attending public day care centers in Calarcá, Colombia]. Biomedica : revista del Instituto Nacional de Salud, 34(2), 218-27. PMID: 24967927
Klimeš V, Gentekaki E, Roger AJ, & Eliáš M. (2014) A large number of nuclear genes in the human parasite Blastocystis require mRNA polyadenylation to create functional termination codons. Genome biology and evolution. PMID: 25015079
Lukeš J, Kuchta R, Scholz T, & Pomajbíková K. (2014) (Self-) infections with parasites: re-interpretations for the present. Trends in parasitology. PMID: 25033775
Tomasini N, Lauthier JJ, Ayala FJ, Tibayrenc M, & Diosque P. (2014) How often do they have sex? A comparative analysis of the population structure of seven eukaryotic microbial pathogens. PloS one, 9(7). PMID: 25054834
Well this might seem weird, but today is world hepatitis day. I guess I should qualify weird with the fact that it’s only weird because no one really knows. What […]... Read more »
Lawitz, E., Sulkowski, M., Ghalib, R., Rodriguez-Torres, M., Younossi, Z., Corregidor, A., DeJesus, E., Pearlman, B., Rabinovitz, M., Gitlin, N.... (2014) Simeprevir plus sofosbuvir, with or without ribavirin, to treat chronic infection with hepatitis C virus genotype 1 in non-responders to pegylated interferon and ribavirin and treatment-naive patients: the COSMOS randomised study. The Lancet. DOI: 10.1016/S0140-6736(14)61036-9
Looking at computers with eyeglasses strains your eyes, so scientists are making computers that help your eyes out.... Read more »
Emphasis mine: A substantial proportion of donors reported a moderate-to-severe level of pain intensity (> 4 on a 0-10 scale) at rest and at movement on day one (42%, 74%) and day two (33%, 32%). Persistent post-surgical pain was reported by 31% of donors at the six-month follow-up and by 27% of donors at …
Continue reading »
The post Chronic Pain in Live Liver Donors appeared first on Living Donors Are People Too.
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Holtzman S, Clarke HA, McCluskey SA, Turcotte K, Grant D, & Katz J. (2014) Acute and chronic post-surgical pain after live liver donation: Incidence and predictors. Liver transplantation : official publication of the American Association for the Study of Liver Diseases and the International Liver Transplantation Society. PMID: 25045167
Do I still believe in evidence based orthodontics? Every now and then a paper comes along that makes me stop and think about how I practice and what I have taught over the past thirty years. Professor Trisha Greenhalgh and colleagues published one of these papers in the British Medical Journal several weeks ago. I […]
The post Do I still believe in evidence based orthodontics? appeared first on Kevin O'Brien's Orthodontic Blog.
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Acknowledging that some topics have the ability to furrow brows when it comes to autism research, mercury and autism is becoming something of a frequent talking point on this blog as a function of a whole slew of articles appearing in the peer-reviewed domain. If I were to [very tentatively] summarise the collected literature so far, it would be to say something like:Mosaic of mercury @ Wikipedia (i) there is quite a bit more research to be done on some sources of mercury being 'l........ Read more »
Yau VM, Green PG, Alaimo CP, Yoshida CK, Lutsky M, Windham GC, Delorenze G, Kharrazi M, Grether JK, & Croen LA. (2014) Prenatal and neonatal peripheral blood mercury levels and autism spectrum disorders. Environmental research, 294-303. PMID: 24981828
Possibly one of the most famous cases of parkinson’s is Michael J. Fox. More than just the “shakes” parkinson’s can cause a whole host of other problems mentally and physically […]... Read more »
Barnum CJ, Chen X, Chung J, Chang J, Williams M, Grigoryan N, Tesi RJ, & Tansey MG. (2014) Peripheral Administration of the Selective Inhibitor of Soluble Tumor Necrosis Factor (TNF) XPro1595 Attenuates Nigral Cell Loss and Glial Activation in 6-OHDA Hemiparkinsonian Rats. Journal of Parkinson's disease. PMID: 25061061
Despite all the efforts, people are losing the war on obesity. There is probably a number of factors involved, genetics, underlying medical problems, most of all diet, but in any […]... Read more »
Williams KW, Liu T, Kong X, Fukuda M, Deng Y, Berglund ED, Deng Z, Gao Y, Liu T, Sohn JW.... (2014) Xbp1s in Pomc Neurons Connects ER Stress with Energy Balance and Glucose Homeostasis. Cell metabolism. PMID: 25017942
Five of the coolest news stories from the past week... Read more »
Koubeissi, M., Bartolomei, F., Beltagy, A., & Picard, F. (2014) Electrical stimulation of a small brain area reversibly disrupts consciousness. Epilepsy , 32-35. DOI: 10.1016/j.yebeh.2014.05.027
Sleep disturbance following traumatic brain injury (TBI) is a common clinical challenge.Hypersomnia and insomnia can both been seen in the TBI population.The risk factors related to TBI-related sleep disturbance are not well known. Identification of risk factors can provide insight into clinical assessment and management.Lijun Hou and colleagues recently examined risk factors related to subjective sleep complaints in a series of 98 TBI subjects.The study sample include adults admitted to a ........ Read more »
Hou L, Han X, Sheng P, Tong W, Li Z, Xu D, Yu M, Huang L, Zhao Z, Lu Y.... (2013) Risk factors associated with sleep disturbance following traumatic brain injury: clinical findings and questionnaire based study. PloS one, 8(10). PMID: 24098425
"These results confirm the elevation of urinary p-cresol in a sizable set of small autistic children and spur interest into biomarker roles for p-cresol and p-cresylsulfate in autism".The peasant dance @ Wikipedia That was the primary conclusion from the paper by Gabriele and colleagues  looking at "three components of urinary p-cresol, namely p-cresylsulfate, p-cresylglucuronate and free p-cresol" in samples from 33 participants diagnosed with an autism spectrum disorder (ASD)........ Read more »
Gabriele S, Sacco R, Cerullo S, Neri C, Urbani A, Tripi G, Malvy J, Barthelemy C, Bonnet-Brihault F, & Persico AM. (2014) Urinary p-cresol is elevated in young French children with autism spectrum disorder: a replication study. Biomarkers : biochemical indicators of exposure, response, and susceptibility to chemicals, 1-8. PMID: 25010144
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