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  • November 26, 2016
  • 04:33 AM
  • 327 views

Acetylation focus over methylation in autism epigenetics?

by Paul Whiteley in Questioning Answers

The paper by Wenjie Sun and colleagues [1] (open-access) provides the blogging fodder for today's post and although based on the science of epigenetics, the usual suspect - DNA methylation - gives way to another concept: histone acetylation with autism in mind. Before heading into the paper myself, I'll draw your attention to some other write-ups of the study including a hat-tip to Jeff Craig and his piece on the topic (see here).So histone acetylation... I've covered the subject ........ Read more »

Sun, W., Poschmann, J., Cruz-Herrera del Rosario, R., Parikshak, N., Hajan, H., Kumar, V., Ramasamy, R., Belgard, T., Elanggovan, B., Wong, C.... (2016) Histone Acetylome-wide Association Study of Autism Spectrum Disorder. Cell, 167(5), 1385-2147483647. DOI: 10.1016/j.cell.2016.10.031  

  • November 25, 2016
  • 08:00 PM
  • 376 views

Three mechanisms of dark selection for ruxolitinib resistance

by Artem Kaznatcheev in Evolutionary Games Group

Last week I returned from the 6th annual IMO Workshop at the Moffitt Cancer Center in Tampa, Florida. As I’ve sketched in an earlier post, my team worked on understanding ruxolitinib resistance in chronic myelomonocytic leukemia (CMML). We developed a suite of integrated multi-scale models for uncovering how resistance arises in CMML with no apparent […]... Read more »

Merlevede, J., Droin, N., Qin, T., Meldi, K., Yoshida, K., Morabito, M., Chautard, E., Auboeuf, D., Fenaux, P., Braun, T.... (2016) Mutation allele burden remains unchanged in chronic myelomonocytic leukaemia responding to hypomethylating agents. Nature Communications, 10767. PMID: 26908133  

  • November 25, 2016
  • 03:33 PM
  • 865 views

Is forefoot varus related to patellofemoral osteoarthritis?

by Craig Payne in Its a Foot Captain, But Not as You Know It

Is forefoot varus related to patellofemoral osteoarthritis?... Read more »

  • November 25, 2016
  • 06:40 AM
  • 343 views

FLCN haploinsufficiency leads to lung fibroblast dysfunction in patients with BHD syndrome

by Joana Guedes in BHD Research Blog

Birt–Hogg–Dubé syndrome (BHD) is caused by germline mutations in the FLCN gene and characterized by fibrofolliculomas, lung cysts, spontaneous pneumothorax and renal tumours. The stretch hypothesis for pulmonary cyst formation proposes that cysts in BHD arise from defects in cell–cell adhesion, leading to repeated respiration-induced physical stretch-induced stress and, over time, expansion of alveolar spaces particularly in vulnerable regions of lung (Kennedy et al., 20........ Read more »

Hoshika, Y., Takahashi, F., Togo, S., Hashimoto, M., Nara, T., Kobayashi, T., Nurwidya, F., Kataoka, H., Kurihara, M., Kobayashi, E.... (2016) Haploinsufficiency of the gene leads to impaired functions of lung fibroblasts in patients with Birt–Hogg–Dubé syndrome . Physiological Reports, 4(21). DOI: 10.14814/phy2.13025  

  • November 25, 2016
  • 02:49 AM
  • 360 views

Screening for coeliac disease in autism

by Paul Whiteley in Questioning Answers

"The overall CD [coeliac disease or celiac disease depending on where you live] prevalence was 2.62%, which is statistically significant higher to that reported in the Italian paediatric population... If replicated, these data suggest the importance of regular screening for CD in young patients with ASD [autism spectrum disorder]."Those were some of the findings/conclusions reported in the paper by Sara Calderoni and colleagues [1] (open-access) and with them, some ........ Read more »

Calderoni, S., Santocchi, E., Del Bianco, T., Brunori, E., Caponi, L., Paolicchi, A., Fulceri, F., Prosperi, M., Narzisi, A., Cosenza, A.... (2016) Serological screening for Celiac Disease in 382 pre-schoolers with Autism Spectrum Disorder. Italian Journal of Pediatrics, 42(1). DOI: 10.1186/s13052-016-0308-x  

  • November 24, 2016
  • 04:48 AM
  • 373 views

Breastfeeding and autism (or autistic traits) continued?

by Paul Whiteley in Questioning Answers

"After adjustment for several confounders, longer duration of breastfeeding was independently associated with better cognitive development and with fewer autistic traits."So said the paper by Olivier Boucher and colleagues [1] communicating findings based on the examination of data from "the INMA Project, a Spanish multicenter birth-cohort study" (an initiative that has cropped up on this blog before).Including over 1300 children who were subject to a battery of psychometric and behavioural asse........ Read more »

Boucher O, Julvez J, Guxens M, Arranz E, Ibarluzea J, Sánchez de Miguel M, Fernández-Somoano A, Tardon A, Rebagliato M, Garcia-Esteban R.... (2016) Association between breastfeeding duration and cognitive development, autistic traits and ADHD symptoms: a multicenter study in Spain. Pediatric research. PMID: 27846197  

  • November 23, 2016
  • 04:30 AM
  • 338 views

Tape (or Wait) for Stabilizers to Activate

by Nicole Cattano in Sports Medicine Research (SMR): In the Lab & In the Field

Shoulder taping is associated with early activation of scapular muscles; however, this only resulted in a minimal effect on shoulder kinematics. ... Read more »

  • November 23, 2016
  • 04:29 AM
  • 360 views

ADHD symptoms not methylphenidate treatment might prime for psychotic events

by Paul Whiteley in Questioning Answers

"This study does not support the hypothesis that MPH [methylphenidate] increases risk of incident psychotic events. It does indicate an increased risk of psychotic events before the first prescription of MPH, which may be because of an association between psychotic events and the behavioural and attentional symptoms that led to psychiatric assessment and initiation of MPH treatment."The results published by Man and colleagues [1] (open-access) sit right with me. I say that on the basis........ Read more »

Man, K., Coghill, D., Chan, E., Lau, W., Hollis, C., Liddle, E., Banaschewski, T., McCarthy, S., Neubert, A., Sayal, K.... (2016) Methylphenidate and the risk of psychotic disorders and hallucinations in children and adolescents in a large health system. Translational Psychiatry, 6(11). DOI: 10.1038/tp.2016.216  

  • November 22, 2016
  • 03:01 AM
  • 382 views

Probiotics and 'subclincial' psychological symptoms: meta-analysed

by Paul Whiteley in Questioning Answers

I'm gonna be fairly brief today and draw your attention to yet another systematic review and meta-analysis this time looking at how "probiotic supplementation can have a positive effect on mood and psychological symptoms such as depression and anxiety." [1] Probiotics by the way, include a variety of bacteria and related lifeforms that are thought to confer some health advantage.The review/re-analysis by Jennifer McKean and colleagues found 7 studies on this topic in the peer-reviewed resea........ Read more »

  • November 21, 2016
  • 11:10 AM
  • 396 views

Benefits of Physical Activity in Parkison's Disease

by William Yates, M.D. in Brain Posts

Parkinson's disease (PD) is a progressive neurodegerative disorder estimated to affect 7 to 10 million individual worldwide.The primary mechanism for Parkinson's disease is a reduction in the neurotransmitter dopamine in the midbrain region of the substantia nigra highlighted in red in the figure.PD impairs motor and cognitive functions and leads to significant decline in psychosocial functioning.Drugs for PD can be effective in reversing and slowing the progression of the illness. However, resp........ Read more »

Lauzé M, Daneault JF, & Duval C. (2016) The Effects of Physical Activity in Parkinson's Disease: A Review. Journal of Parkinson's disease, 6(4), 685-698. PMID: 27567884  

  • November 21, 2016
  • 04:48 AM
  • 375 views

On C-reactive protein and bipolar disorder

by Paul Whiteley in Questioning Answers

"CRP [C-reactive protein] concentrations are increased in bipolar disorder regardless of mood state, but are higher during mania than in depression and euthymia, suggesting an increased inflammatory burden in mania."So said the systematic review and meta-analysis published by Brisa Fernandes and colleagues [1] who surveyed the peer-reviewed literature on the topic of "measured serum and plasma CRP concentrations in adult patients with bipolar disorder (as defined by DSM-IV-TR) and........ Read more »

Fernandes BS, Steiner J, Molendijk ML, Dodd S, Nardin P, Gonçalves CA, Jacka F, Köhler CA, Karmakar C, Carvalho AF.... (2016) C-reactive protein concentrations across the mood spectrum in bipolar disorder: a systematic review and meta-analysis. The lancet. Psychiatry. PMID: 27838212  

  • November 19, 2016
  • 04:13 AM
  • 418 views

Low gestational age is associated with risk for autism

by Paul Whiteley in Questioning Answers

The results published by Robert Joseph and colleagues [1] provide some blogging fodder today, observing that as part of the ELGAN (Extremely Low Gestational Age Newborns) Research Study, gestational age might matter when it comes to offspring risk of autism spectrum disorder (ASD).Gestational age is a measure of how far along a pregnancy is but in the context of the Joseph study refers to premature birth or those "born at least 3 months early." Researchers included data for nearly 1000........ Read more »

  • November 18, 2016
  • 10:30 AM
  • 373 views

Who is afraid of IBS?

by Aurametrix team in Aurametrix Blog

I don’t mean to brag, but I’ve got irritable bowel syndrome, says a character of a sitcom.
Irritable bowel syndrome used to be a rare condition, but became a problem of epidemic proportions, until the disease "came out of the closet". Then Internet searches and doctor visits started to dwindle down and less than halved compared to earlier decades.
Is IBS no longer a problem? [...]... Read more »

  • November 18, 2016
  • 07:25 AM
  • 344 views

Mutated mTOR regulator RRAGC proteins decrease interactions with FLCN

by Joana Guedes in BHD Research Blog

Follicular lymphoma is a B-cell lymphoma that remains incurable with conventional therapies. Ying et al. (2016) present a new study exploring the biological and genetic features of follicular lymphoma and identifying potential new therapeutic targets. The authors identified recurrent mutations in the mTOR regulator RRAGC, a small G-protein, in approximately 10% of follicular lymphoma cases. Mutations in RRAGC localized to one protein surface area surrounding the GTP/GDP–binding sites. In s........ Read more »

Ying ZX, Jin M, Peterson LF, Bernard D, Saiya-Cork K, Yildiz M, Wang S, Kaminski MS, Chang AE, Klionsky DJ.... (2016) Recurrent Mutations in the MTOR Regulator RRAGC in Follicular Lymphoma. Clinical cancer research : an official journal of the American Association for Cancer Research, 22(21), 5383-5393. PMID: 27267853  

  • November 18, 2016
  • 04:40 AM
  • 345 views

Acute psychosis and urinary tract infection (again)

by Paul Whiteley in Questioning Answers

Consider this short blog post an extension of some previous discussions (see here and see here) on a rather peculiar 'association' between urinary tract infections (UTIs) and psychosis. UTIs basically refer to an infection in any part of the urinary system (kidneys, bladder, etc) typically treated with antibiotics. Psychosis is a state that causes a person to perceive or interpret things around them in an atypical way, usually accompanied by delusions or hallucinations. For a while now........ Read more »

  • November 17, 2016
  • 11:00 AM
  • 446 views

Missed Opportunities in Stroke Prevention

by William Yates, M.D. in Brain Posts

Rates of myocardial infarction and stroke have been declining over the last decade in the U.S. and Europe. However, a recent manuscript suggests there are still significant missed opportunities to prevent stroke.This manuscript presents results of review of electronic primary care records in the United Kingdom.The authors examines a group of over 29,000 subjects with a diagnosis of stroke or transient ischemic attack over a 10 year period.Records were reviewed to assess for compliance with guide........ Read more »

  • November 17, 2016
  • 02:57 AM
  • 357 views

Caring for the carer: what the science suggests

by Paul Whiteley in Questioning Answers

Papers such as the one published by Nikko Da Paz & Jan Wallander [1] I think represent one of the most important areas of autism research and practice when it comes to the practical translation of science to real-life. Tackling a very important topic - caring for the carers - the authors provide a "narrative review" of the peer-reviewed science literature looking at how "treatments that directly target parents' psychological well-being" in the context of autism are doing so far.Personally, I........ Read more »

  • November 16, 2016
  • 04:30 AM
  • 303 views

Jump Around: To See or Not To See?

by Ashley Marshall in Sports Medicine Research (SMR): In the Lab & In the Field

Video feedback was a more effective tool to correct landing patterns in males to compared to females, which may be helpful in reducing anterior cruciate ligament (ACL) injury risk. ... Read more »

Dallinga J, Benjaminse A, Gokeler A, Cortes N, Otten E, & Lemmink K. (2016) Innovative Video Feedback on Jump Landing Improves Landing Technique in Males. International Journal of Sports Medicine. PMID: 27428644  

  • November 16, 2016
  • 02:58 AM
  • 328 views

PACE-gate!

by Paul Whiteley in Questioning Answers

With all rights reserved for Keith Geraghty and his publication in the Journal of Health Psychology [1] (open-access) I want to reproduce his abstract relevant to the PACE trial commenting on the ups-and-downs of this study looking at the use of CBT (cognitive behaviour therapy) and GET (graded exercise therapy) for chronic fatigue syndrome (CFS) (also known as myalgic encephalomyelitis, ME):"Science is not always plain sailing and sometimes the voyage is across an angry sea. A recent ........ Read more »

  • November 15, 2016
  • 11:38 AM
  • 402 views

Celebrex Boosts Antidepressant Response

by William Yates, M.D. in Brain Posts

I ran into an interesting article at ScienceDaily providing data on a small sample size study of the anti-inflammatory drug celecoxib (Celebrex) in depression.Access the ScienceDaily report on this study by clicking HERE.This study focused on subjects with bipolar depression. All subjects were in a depressed phase and received the antidepressant drug escitalopram (Lexapro).Although only 55 subjects participated in this study, the results were significant and large. Adding Celebrex to escitalopra........ Read more »

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