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		Brief report Neuropathogenic Escherichia coli K1 does not exhibit proteolytic activities to exert its pathogenicity Junaid Iqbal, Mehak Rajani, Ruqaiyyah Siddiqui, Naveed Ahmed Khan Journal of Negative Results in BioMedicine 2013, 12:8 (1 May 2013) Abstract \| Full text \| PDF \| ePUB \| PubMed
		Brief report Comparative measurement of CNP and NT-proCNP in human blood samples: a methodological evaluation Andreas Kuehnl, Jaroslav Pelisek, Martin Bruckmeier, Wajima Safi, Hans-Henning Eckstein Journal of Negative Results in BioMedicine 2013, 12:7 (1 April 2013) Abstract \| Full text \| PDF \| PubMed
		Research Exclusion of eleven candidate genes for ocular melanosis in cairn terriers Paige A Winkler, Joshua T Bartoe, Celeste R Quinones, Patrick J Venta, Simon M Petersen-Jones Journal of Negative Results in BioMedicine 2013, 12:6 (1 March 2013) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary The genotyping of eleven candidate genes for Ocular Melanosis in Cairn Terriers suggests they are unlikely to be the gene locus for this condition, highlighting the need for further study.
		Research Circulating rotaviral RNA in children with rotavirus antigenemia Kamruddin Ahmed, Gulendam Bozdayi, Marcelo T Mitui, Selim Ahmed, Luthful Kabir, Dalgic Buket, Ilknur Bostanci, Akira Nishizono Journal of Negative Results in BioMedicine 2013, 12:5 (1 February 2013) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary Rotavirus (RVA) viremia was not found in children with rotavirus diarrhea, and could not be identified via the presence of antigenemia in the patients’ serum.
		Research Prolactin gene expression in primary central nervous system tumors Graziella Alebrant Mendes, Júlia Fernanda Semmelmann Pereira-Lima, Maria Beatriz Kohek, Geraldine Trott, Marlise Di Domenico, Nelson Pires Ferreira, Miriam da Costa Oliveira Journal of Negative Results in BioMedicine 2013, 12:4 (14 January 2013) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary Quantitative real-time polymerase chain reaction (PCR-RT) did not show prolactin expression in primary central nervous system tumors, suggesting that its presence is not a reflex of local production.
		Research Human Endogenous Retrovirus K(HML-2) Gag and Env specific T-cell responses are not detected in HTLV-I-infected subjects using standard peptide screening methods R Brad Jones, Fabio E Leal, Aaron M Hasenkrug, Aluisio C Segurado, Douglas F Nixon, Mario A Ostrowski, Esper G Kallas Journal of Negative Results in BioMedicine 2013, 12:3 (10 January 2013) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary The elicitation of human endogenous retrovirus (HERV)-specific T-cells responses may not have a role in human T-cell leukemia virus type 1 (HTLV-1) associated immunopathology suggests this study.
		Research Maternal undernutrition does not alter Sertoli cell numbers or the expression of key developmental markers in the mid-gestation ovine fetal testis Luis P Andrade, Stewart M Rhind, Michael T Rae, Carol E Kyle, Jamie Jowett, Richard G Lea Journal of Negative Results in BioMedicine 2013, 12:2 (8 January 2013) Abstract \| Full text \| PDF \| PubMed
		Brief report A polymorphism associated with increased levels of YKL-40 and the risk of early onset of lone atrial fibrillation Kristoffer M A Henningsen, Morten S Olesen, Golnaz Sajadieh, Stig Haunsoe, Jesper H Svendsen Journal of Negative Results in BioMedicine 2013, 12:1 (2 January 2013) Abstract \| Full text \| PDF \| PubMed
		Brief report Absence of subtelomeric rearrangements in selected patients with mental retardation as assessed by multiprobe T FISH Suely Rodrigues dos Santos, Dértia Villalba Freire-Maia Journal of Negative Results in BioMedicine 2012, 11:16 (21 December 2012) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary Patients with unexplained mental retardation (MR) and a chromosomal imbalance show an absence of subtelomeric rearrangements when assessed by Multiprobe T Fluorescence In-Situ Hybridization (MT FISH) probe.
		Research Could titanium oxide coating from a sol–gel process make stone baskets more resistant to laser radiation at 2.1 μm? Jens Cordes, Felix Nguyen, Frank Heidenau, Dieter Jocham Journal of Negative Results in BioMedicine 2012, 11:15 (19 October 2012) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary The first attempt at making stone baskets more resistant to laser damage during endoscopic surgery did not result in greater resistance to laser radiation at 2.1 mum.
		Research Effects of 60 minutes of hyperoxia followed by normoxia before coronary artery bypass grafting on the inflammatory response profile and myocardial injury Inga Karu, Peeter Tähepõld, Arno Ruusalepp, Kersti Zilmer, Mihkel Zilmer, Joel Starkopf Journal of Negative Results in BioMedicine 2012, 11:14 (14 September 2012) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary Pre-treatment with hyperoxia followed by normoxia before coronary artery bypass grafting does not protect against myocardial injury.
		Research No effect of 6-month intake of glucosamine sulfate on Modic changes or high intensity zones in the lumbar spine: sub-group analysis of a randomized controlled trial Philip Wilkens, Kjersti Storheim, Inger Scheel, Linda Berg, Ansgar Espeland Journal of Negative Results in BioMedicine 2012, 11:13 (17 August 2012) Abstract \| Full text \| PDF \| PubMed
		Research In vitro studies of the influence of glutamatergic agonists on the Na⁺,K⁺-ATPase and K⁺-p-nitrophenylphosphatase activities in the hippocampus and frontal cortex of rats Marcos Contó, Marco Antonio Venditti Journal of Negative Results in BioMedicine 2012, 11:12 (10 May 2012) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary A better understanding is needed of the relationship between glutamatergic activation and enzymatic activity, suggests this study which finds that glutamatergic stimulation in rats does not influence Na+,K+-ATPase activity in the frontal lobe, the inhibition of which is associated with pathogenesis of epilepsy.
		Research Lifestyle counseling during pregnancy and offspring weight development until four years of age: follow-up study of a controlled trial Taina Mustila, Jani Raitanen, Päivi Keskinen, Antti Saari, Riitta Luoto Journal of Negative Results in BioMedicine 2012, 11:11 (8 May 2012) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary Gestational lifestyle counseling does not significantly slow weight gain, proposes this pilot study which investigates risk of childhood obesity.
		Research Protein kinase A enhances lipopolysaccharide-induced IL-6, IL-8, and PGE₂production by human gingival fibroblasts Toshiaki Ara, Yoshiaki Fujinami, Hiroko Urano, Kaname Hirai, Toshimi Hatori, Hiroo Miyazawa Journal of Negative Results in BioMedicine 2012, 11:10 (27 March 2012) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary Commonly prescribed for bronchial disorders, aminophylline does not adversely affect inflammatory response and exacerbate symptoms in periodontal disease at concentrations used in clinical settings unlike other PKA-inhibiting drugs.
		Research TGFBR3 variation is not a common cause of Marfan-like syndrome and Loeys-Dietz-like syndrome Krishna K Singh, Joerg Schmidtke, Britta Keyser, Mine Arslan-Kirchner Journal of Negative Results in BioMedicine 2012, 11:9 (2 February 2012) Abstract \| Full text \| PDF \| PubMed
		Brief report Metallothionein genes: no association with Crohn's disease in a New Zealand population Angharad R Morgan, Alan G Fraser, Lynnette R Ferguson Journal of Negative Results in BioMedicine 2012, 11:8 (28 January 2012) Abstract \| Full text \| PDF \| PubMed
		Research Clinical predictors of inflammatory bowel disease in a genetically well-defined Caucasian population Ziad M Kanaan, Maurice R Eichenberger, Surriya Ahmad, Clayton Weller, Henry Roberts, Jianmin Pan, Shesh N Rai, Robert Petras, E Brooks Weller, Susan Galandiuk Journal of Negative Results in BioMedicine 2012, 11:7 (23 January 2012) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary There is no association between OCTN1 and IGR SNPs and IBD (Inflammatory Bowel Disease), suggests this study which proposes a combined genetic, phenotypic and environmental approach to understand IBD.
		Research Influences of the G2350A polymorphism in the ACE Gene on cardiac structure and function of ball game players Yongwoo Jang, Sung Min Kim Journal of Negative Results in BioMedicine 2012, 11:6 (12 January 2012) Abstract \| Full text \| PDF \| PubMed
		Research Genetic polymorphisms of nerve growth factor receptor (NGFR) and the risk of Alzheimer's disease Hui-Chi Cheng, Yu Sun, Liang-Chuan Lai, Shih-Yuan Chen, Wen-Chung Lee, Jen-Hau Chen, Ta-Fu Chen, Hua-Hsiang Chen, Li-Li Wen, Ping-Keung Yip, Yi-Min Chu, Wei J Chen, Yen-Ching Chen Journal of Negative Results in BioMedicine 2012, 11:5 (12 January 2012) Abstract \| Full text \| PDF \| PubMed
		Research A negative screen for mutations in calstabin 1 and 2 genes in patients with dilated cardiomyopathy Diogo G Biagi, José G Mill, Alfredo J Mansur, José E Krieger, Alexandre C Pereira Journal of Negative Results in BioMedicine 2012, 11:4 (11 January 2012) Abstract \| Full text \| PDF \| PubMed
		Research 5-Azacytidine Is Insufficient For Cardiogenesis In Human Adipose-Derived Stem Cells Wan Kamarul Zaman Wan Safwani, Suzana Makpol, Somasundaram Sathapan, Kien Chua Journal of Negative Results in BioMedicine 2012, 11:3 (6 January 2012) Abstract \| Full text \| PDF \| PubMed
		Research Lack of prognostic significance of p16 and p27 after radical prostatectomy in hormone-naïve prostate cancer Panagiotis J Vlachostergios, Foteini Karasavvidou, Grigorios Kakkas, Kassiani Kapatou, Ioannis Gioulbasanis, Danai D Daliani, George Moutzouris, Christos N Papandreou Journal of Negative Results in BioMedicine 2012, 11:2 (5 January 2012) Abstract \| Full text \| PDF \| PubMed
		Research The female menstrual cycle does not influence testosterone concentrations in male partners Jakob O Strom, Edvin Ingberg, Emma Druvefors, Annette Theodorsson, Elvar Theodorsson Journal of Negative Results in BioMedicine 2012, 11:1 (3 January 2012) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary The hypothesis that male testosterone concentrations increase with female olfactory ovulation cues is contradicted in a study which monitored thirty couples and established no significant effect, also suggesting no relevance of ovulation to male sexual drive and aggressiveness.
		Research Diagnosis of tuberculosis: the experience at a specialized diagnostic laboratory Anita Mashta, Pooja Mishra, Sonia Philipose, S Tamilzhalagan, Hanif Mahmud, Sangeeta Bhaskar, Pramod Upadhyay Journal of Negative Results in BioMedicine 2011, 10:16 (18 November 2011) Abstract \| Full text \| PDF \| PubMed
		Research Lipoprotein(a) and inflammation in patients with atrial fibrillation after electrical cardioversion Franjo Naji, Miso Sabovic Journal of Negative Results in BioMedicine 2011, 10:15 (12 November 2011) Abstract \| Full text \| PDF \| PubMed
		Brief report Variation in the CXCR1 gene (IL8RA) is not associated with susceptibility to chronic periodontitis Raquel M Scarel-Caminaga, Karen MC Curtis, Rivelto Renzi, Patrícia M Sogumo, Giovana Anovazzi, Aline C Viana, Yeon J Kim, Silvana RP Orrico, Joni A Cirelli Journal of Negative Results in BioMedicine 2011, 10:14 (3 November 2011) Abstract \| Full text \| PDF \| PubMed
		Research Applying the Stages of Change model to Type 2 diabetes care in Trinidad: A randomised trial VA Partapsingh, RG Maharaj, JM Rawlins Journal of Negative Results in BioMedicine 2011, 10:13 (11 October 2011) Abstract \| Full text \| PDF \| PubMed
		Research The KCNE genes in hypertrophic cardiomyopathy: a candidate gene study Paula L Hedley, Ole Haundrup, Paal S Andersen, Frederik H Aidt, Morten Jensen, Johanna C Moolman-Smook, Henning Bundgaard, Michael Christiansen Journal of Negative Results in BioMedicine 2011, 10:12 (3 October 2011) Abstract \| Full text \| PDF \| PubMed
		Research Retroperitoneoscopic radical nephrectomy with a small incision for renal cell carcinoma: Comparison with the conventional method Hiroki Ito, Kazuhide Makiyama, Takashi Kawahara, Futoshi Sano, Takayuki Murakami, Narihiko Hayashi, Yasuhide Miyoshi, Noboru Nakaigawa, Masahiro Yao, Yoshinobu Kubota Journal of Negative Results in BioMedicine 2011, 10:11 (16 August 2011) Abstract \| Full text \| PDF \| PubMed
		Research False rumours of disease outbreaks caused by infectious myonecrosis virus (IMNV) in the whiteleg shrimp in Asia Saengchan Senapin, Kornsunee Phiwsaiya, Warachin Gangnonngiw, Timothy W Flegel Journal of Negative Results in BioMedicine 2011, 10:10 (3 August 2011) Abstract \| Full text \| PDF \| PubMed
		Research Human MMP28 expression is unresponsive to inflammatory stimuli and does not correlate to the grade of intervertebral disc degeneration Marina Klawitter, Lilian Quero, Alessando Bertolo, Marco Mehr, Jivko Stoyanov, Andreas G Nerlich, Juergen Klasen, Nikolaus Aebli, Norbert Boos, Karin Wuertz Journal of Negative Results in BioMedicine 2011, 10:9 (29 July 2011) Abstract \| Full text \| PDF \| PubMed
		Brief report Gastrointestinal complaints in runners are not due to small intestinal bacterial overgrowth Kai Schommer, Dejan Reljic, Peter Bärtsch, Peter Sauer Journal of Negative Results in BioMedicine 2011, 10:8 (27 July 2011) Abstract \| Full text \| PDF \| PubMed
		Research Histopathological grading of pediatric ependymoma: reproducibility and clinical relevance in European trial cohorts David W Ellison, Mehmet Kocak, Dominique Figarella-Branger, Giangaspero Felice, Godfraind Catherine, Torsten Pietsch, Didier Frappaz, Maura Massimino, Jacques Grill, James M Boyett, Richard G Grundy Journal of Negative Results in BioMedicine 2011, 10:7 (31 May 2011) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research No connection between the level of exposition to statins in the population and the incidence/mortality of acute myocardial infarction: An ecological study based on Sweden's municipalities Staffan Nilsson, Sigvard Mölstad, Catarina Karlberg, Jan-Erik Karlsson, Lars-Göran Persson Journal of Negative Results in BioMedicine 2011, 10:6 (24 May 2011) Abstract \| Full text \| PDF \| PubMed
		Brief report N-acetylcysteine lacks universal inhibitory activity against influenza A viruses Mutien-Marie O Garigliany, Daniel J Desmecht Journal of Negative Results in BioMedicine 2011, 10:5 (9 May 2011) Abstract \| Full text \| PDF \| PubMed
		Brief report The CTGF -945GC polymorphism is not associated with plasma CTGF and does not predict nephropathy or outcome in type 1 diabetes Amélie Dendooven, Tri Q Nguyen, Lodewijk Brosens, Dongxia Li, Lise Tarnow, Hans-Henrik Parving, Peter Rossing, Roel Goldschmeding Journal of Negative Results in BioMedicine 2011, 10:4 (8 May 2011) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research Vitamin D receptor gene polymorphisms in multiple sclerosis patients in northwest Greece Chrissa Sioka, Stylianos Papakonstantinou, Sofia Markoula, Foteini Gkartziou, Athanasia Georgiou, Ioannis Georgiou, Sygliti-Henrietta Pelidou, Athanassios P Kyritsis, Andreas Fotopoulos Journal of Negative Results in BioMedicine 2011, 10:3 (5 May 2011) Abstract \| Full text \| PDF \| PubMed
		Research Validity of self-reported leisure-time sedentary behavior in adolescents Olivia Affuso, June Stevens, Diane Catellier, Robert G McMurray, Dianne S Ward, Leslie Lytle, Melinda S Sothern, Deborah R Young Journal of Negative Results in BioMedicine 2011, 10:2 (11 February 2011) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central \| Editor’s summary Adolescents generally underestimated the duration of their sedentary behavior compared to data obtained objectively using an accelerometer, a movement monitor capturing the intensity of physical activity, questioning the reliability of activity-based questionnaires in public health research.
		Research Methylphenidate for treating tobacco dependence in non-attention deficit hyperactivity disorder smokers: A pilot randomized placebo-controlled trial Richard D Hurt, Jon O Ebbert, Ivana T Croghan, Darrell R Schroeder, Amit Sood, J Taylor Hays Journal of Negative Results in BioMedicine 2011, 10:1 (28 January 2011) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary Despite similarities in neuropsychologic effects between nicotine and methylphenidate, the first large trial of the psychostimulant in non-ADHD smokers showed neither an increase in smoking abstinence, nor any observed effect on smoking rates and tobacco withdrawal symptoms.
		Research The checkpointkinase 2 (CHK2) 1100delC germ line mutation is not associated with the development of squamous cell carcinoma of the head and neck (SCCHN) Kathrin Scheckenbach, Galatia Papadopoulou, Thomas K Hoffmann, Adam Chaker, Henning Bier, Jörg Schipper, Vera Balz, Martin Wagenmann Journal of Negative Results in BioMedicine 2010, 9:10 (25 December 2010) Abstract \| Full text \| PDF \| PubMed
		Brief report TOPBP1 missense variant Arg309Cys and breast cancer in a German hospital-based case-control study Magda A Blaut, Natalia V Bogdanova, Michael Bremer, Johann H Karstens, Peter Hillemanns, Thilo Dörk Journal of Negative Results in BioMedicine 2010, 9:9 (25 November 2010) Abstract \| Full text \| PDF \| PubMed
		Research Shortcomings of short hairpin RNA-based transgenic RNA interference in mouse oocytes Lenka Sarnova, Radek Malik, Radislav Sedlacek, Petr Svoboda Journal of Negative Results in BioMedicine 2010, 9:8 (12 October 2010) Abstract \| Full text \| PDF \| PubMed
		Research Generation of a panel of antibodies against proteins encoded on human chromosome 21 Frances K Wiseman, Olivia Sheppard, Jacqueline M Linehan, Sebastian Brandner, Victor LJ Tybulewicz, Elizabeth MC Fisher Journal of Negative Results in BioMedicine 2010, 9:7 (20 August 2010) Abstract \| Full text \| PDF \| PubMed
		Research A comparison of meningococcal carriage by pregnancy status Eric J Knudtson, Mike L Lytle, Beverly A Vavricka, Valerie S Skaggs, Jennifer D Peck, Andrew E Elimian Journal of Negative Results in BioMedicine 2010, 9:6 (11 August 2010) Abstract \| Full text \| PDF \| PubMed
		Research The Drosophila Anion Exchanger (DAE) lacks a detectable interaction with the spectrin cytoskeleton Ronald R Dubreuil, Amlan Das, Christine Base, G Harper Mazock Journal of Negative Results in BioMedicine 2010, 9:5 (23 June 2010) Abstract \| Full text \| PDF \| PubMed
		Research Lack of effects of typical and atypical antipsychotics in DARPP-32 and NCS-1 levels in PC12 cells overexpressing NCS-1 Bruno R Souza, Karen CL Torres, Débora M Miranda, Bernardo S Motta, Estêvão Scotti-Muzzi, Melissa M Guimarães, Daniel S Carneiro, Daniela VF Rosa, Renan P Souza, Helton J Reis, Andreas Jeromin, Marco A Romano-Silva Journal of Negative Results in BioMedicine 2010, 9:4 (19 June 2010) Abstract \| Full text \| PDF \| PubMed
		Research Effect of venlafaxine on bone loss associated with ligature-induced periodontitis in Wistar rats Rosimary S Carvalho, Carolina M de Souza, Julliana CS Neves, Sergio A Holanda-Pinto, Lívia MS Pinto, Gerly AC Brito, Geanne M de Andrade Journal of Negative Results in BioMedicine 2010, 9:3 (14 June 2010) Abstract \| Full text \| PDF \| PubMed
		Research Human haematopoietic stem cells express Oct4 pseudogenes and lack the ability to initiate Oct4 promoter-driven gene expression Zoe Redshaw, Alastair J Strain Journal of Negative Results in BioMedicine 2010, 9:2 (31 March 2010) Abstract \| Full text \| PDF \| PubMed
		Brief report Does computer use pose a hazard for future long-term sickness absence? Johan H Andersen, Sigurd Mikkelsen Journal of Negative Results in BioMedicine 2010, 9:1 (22 March 2010) Abstract \| Full text \| PDF \| PubMed

	All
		Brief report Neuropathogenic Escherichia coli K1 does not exhibit proteolytic activities to exert its pathogenicity Junaid Iqbal, Mehak Rajani, Ruqaiyyah Siddiqui, Naveed Ahmed Khan Journal of Negative Results in BioMedicine 2013, 12:8 (1 May 2013) Abstract \| Full text \| PDF \| ePUB \| PubMed
		Brief report Comparative measurement of CNP and NT-proCNP in human blood samples: a methodological evaluation Andreas Kuehnl, Jaroslav Pelisek, Martin Bruckmeier, Wajima Safi, Hans-Henning Eckstein Journal of Negative Results in BioMedicine 2013, 12:7 (1 April 2013) Abstract \| Full text \| PDF \| PubMed
		Research Exclusion of eleven candidate genes for ocular melanosis in cairn terriers Paige A Winkler, Joshua T Bartoe, Celeste R Quinones, Patrick J Venta, Simon M Petersen-Jones Journal of Negative Results in BioMedicine 2013, 12:6 (1 March 2013) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary The genotyping of eleven candidate genes for Ocular Melanosis in Cairn Terriers suggests they are unlikely to be the gene locus for this condition, highlighting the need for further study.
		Research Circulating rotaviral RNA in children with rotavirus antigenemia Kamruddin Ahmed, Gulendam Bozdayi, Marcelo T Mitui, Selim Ahmed, Luthful Kabir, Dalgic Buket, Ilknur Bostanci, Akira Nishizono Journal of Negative Results in BioMedicine 2013, 12:5 (1 February 2013) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary Rotavirus (RVA) viremia was not found in children with rotavirus diarrhea, and could not be identified via the presence of antigenemia in the patients’ serum.
		Research Prolactin gene expression in primary central nervous system tumors Graziella Alebrant Mendes, Júlia Fernanda Semmelmann Pereira-Lima, Maria Beatriz Kohek, Geraldine Trott, Marlise Di Domenico, Nelson Pires Ferreira, Miriam da Costa Oliveira Journal of Negative Results in BioMedicine 2013, 12:4 (14 January 2013) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary Quantitative real-time polymerase chain reaction (PCR-RT) did not show prolactin expression in primary central nervous system tumors, suggesting that its presence is not a reflex of local production.
		Research Human Endogenous Retrovirus K(HML-2) Gag and Env specific T-cell responses are not detected in HTLV-I-infected subjects using standard peptide screening methods R Brad Jones, Fabio E Leal, Aaron M Hasenkrug, Aluisio C Segurado, Douglas F Nixon, Mario A Ostrowski, Esper G Kallas Journal of Negative Results in BioMedicine 2013, 12:3 (10 January 2013) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary The elicitation of human endogenous retrovirus (HERV)-specific T-cells responses may not have a role in human T-cell leukemia virus type 1 (HTLV-1) associated immunopathology suggests this study.
		Research Maternal undernutrition does not alter Sertoli cell numbers or the expression of key developmental markers in the mid-gestation ovine fetal testis Luis P Andrade, Stewart M Rhind, Michael T Rae, Carol E Kyle, Jamie Jowett, Richard G Lea Journal of Negative Results in BioMedicine 2013, 12:2 (8 January 2013) Abstract \| Full text \| PDF \| PubMed
		Brief report A polymorphism associated with increased levels of YKL-40 and the risk of early onset of lone atrial fibrillation Kristoffer M A Henningsen, Morten S Olesen, Golnaz Sajadieh, Stig Haunsoe, Jesper H Svendsen Journal of Negative Results in BioMedicine 2013, 12:1 (2 January 2013) Abstract \| Full text \| PDF \| PubMed
		Brief report Absence of subtelomeric rearrangements in selected patients with mental retardation as assessed by multiprobe T FISH Suely Rodrigues dos Santos, Dértia Villalba Freire-Maia Journal of Negative Results in BioMedicine 2012, 11:16 (21 December 2012) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary Patients with unexplained mental retardation (MR) and a chromosomal imbalance show an absence of subtelomeric rearrangements when assessed by Multiprobe T Fluorescence In-Situ Hybridization (MT FISH) probe.
		Research Could titanium oxide coating from a sol–gel process make stone baskets more resistant to laser radiation at 2.1 μm? Jens Cordes, Felix Nguyen, Frank Heidenau, Dieter Jocham Journal of Negative Results in BioMedicine 2012, 11:15 (19 October 2012) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary The first attempt at making stone baskets more resistant to laser damage during endoscopic surgery did not result in greater resistance to laser radiation at 2.1 mum.
		Research Effects of 60 minutes of hyperoxia followed by normoxia before coronary artery bypass grafting on the inflammatory response profile and myocardial injury Inga Karu, Peeter Tähepõld, Arno Ruusalepp, Kersti Zilmer, Mihkel Zilmer, Joel Starkopf Journal of Negative Results in BioMedicine 2012, 11:14 (14 September 2012) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary Pre-treatment with hyperoxia followed by normoxia before coronary artery bypass grafting does not protect against myocardial injury.
		Research No effect of 6-month intake of glucosamine sulfate on Modic changes or high intensity zones in the lumbar spine: sub-group analysis of a randomized controlled trial Philip Wilkens, Kjersti Storheim, Inger Scheel, Linda Berg, Ansgar Espeland Journal of Negative Results in BioMedicine 2012, 11:13 (17 August 2012) Abstract \| Full text \| PDF \| PubMed
		Research In vitro studies of the influence of glutamatergic agonists on the Na⁺,K⁺-ATPase and K⁺-p-nitrophenylphosphatase activities in the hippocampus and frontal cortex of rats Marcos Contó, Marco Antonio Venditti Journal of Negative Results in BioMedicine 2012, 11:12 (10 May 2012) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary A better understanding is needed of the relationship between glutamatergic activation and enzymatic activity, suggests this study which finds that glutamatergic stimulation in rats does not influence Na+,K+-ATPase activity in the frontal lobe, the inhibition of which is associated with pathogenesis of epilepsy.
		Research Lifestyle counseling during pregnancy and offspring weight development until four years of age: follow-up study of a controlled trial Taina Mustila, Jani Raitanen, Päivi Keskinen, Antti Saari, Riitta Luoto Journal of Negative Results in BioMedicine 2012, 11:11 (8 May 2012) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary Gestational lifestyle counseling does not significantly slow weight gain, proposes this pilot study which investigates risk of childhood obesity.
		Research Protein kinase A enhances lipopolysaccharide-induced IL-6, IL-8, and PGE₂production by human gingival fibroblasts Toshiaki Ara, Yoshiaki Fujinami, Hiroko Urano, Kaname Hirai, Toshimi Hatori, Hiroo Miyazawa Journal of Negative Results in BioMedicine 2012, 11:10 (27 March 2012) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary Commonly prescribed for bronchial disorders, aminophylline does not adversely affect inflammatory response and exacerbate symptoms in periodontal disease at concentrations used in clinical settings unlike other PKA-inhibiting drugs.
		Research TGFBR3 variation is not a common cause of Marfan-like syndrome and Loeys-Dietz-like syndrome Krishna K Singh, Joerg Schmidtke, Britta Keyser, Mine Arslan-Kirchner Journal of Negative Results in BioMedicine 2012, 11:9 (2 February 2012) Abstract \| Full text \| PDF \| PubMed
		Brief report Metallothionein genes: no association with Crohn's disease in a New Zealand population Angharad R Morgan, Alan G Fraser, Lynnette R Ferguson Journal of Negative Results in BioMedicine 2012, 11:8 (28 January 2012) Abstract \| Full text \| PDF \| PubMed
		Research Clinical predictors of inflammatory bowel disease in a genetically well-defined Caucasian population Ziad M Kanaan, Maurice R Eichenberger, Surriya Ahmad, Clayton Weller, Henry Roberts, Jianmin Pan, Shesh N Rai, Robert Petras, E Brooks Weller, Susan Galandiuk Journal of Negative Results in BioMedicine 2012, 11:7 (23 January 2012) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary There is no association between OCTN1 and IGR SNPs and IBD (Inflammatory Bowel Disease), suggests this study which proposes a combined genetic, phenotypic and environmental approach to understand IBD.
		Research Influences of the G2350A polymorphism in the ACE Gene on cardiac structure and function of ball game players Yongwoo Jang, Sung Min Kim Journal of Negative Results in BioMedicine 2012, 11:6 (12 January 2012) Abstract \| Full text \| PDF \| PubMed
		Research Genetic polymorphisms of nerve growth factor receptor (NGFR) and the risk of Alzheimer's disease Hui-Chi Cheng, Yu Sun, Liang-Chuan Lai, Shih-Yuan Chen, Wen-Chung Lee, Jen-Hau Chen, Ta-Fu Chen, Hua-Hsiang Chen, Li-Li Wen, Ping-Keung Yip, Yi-Min Chu, Wei J Chen, Yen-Ching Chen Journal of Negative Results in BioMedicine 2012, 11:5 (12 January 2012) Abstract \| Full text \| PDF \| PubMed
		Research A negative screen for mutations in calstabin 1 and 2 genes in patients with dilated cardiomyopathy Diogo G Biagi, José G Mill, Alfredo J Mansur, José E Krieger, Alexandre C Pereira Journal of Negative Results in BioMedicine 2012, 11:4 (11 January 2012) Abstract \| Full text \| PDF \| PubMed
		Research 5-Azacytidine Is Insufficient For Cardiogenesis In Human Adipose-Derived Stem Cells Wan Kamarul Zaman Wan Safwani, Suzana Makpol, Somasundaram Sathapan, Kien Chua Journal of Negative Results in BioMedicine 2012, 11:3 (6 January 2012) Abstract \| Full text \| PDF \| PubMed
		Research Lack of prognostic significance of p16 and p27 after radical prostatectomy in hormone-naïve prostate cancer Panagiotis J Vlachostergios, Foteini Karasavvidou, Grigorios Kakkas, Kassiani Kapatou, Ioannis Gioulbasanis, Danai D Daliani, George Moutzouris, Christos N Papandreou Journal of Negative Results in BioMedicine 2012, 11:2 (5 January 2012) Abstract \| Full text \| PDF \| PubMed
		Research The female menstrual cycle does not influence testosterone concentrations in male partners Jakob O Strom, Edvin Ingberg, Emma Druvefors, Annette Theodorsson, Elvar Theodorsson Journal of Negative Results in BioMedicine 2012, 11:1 (3 January 2012) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary The hypothesis that male testosterone concentrations increase with female olfactory ovulation cues is contradicted in a study which monitored thirty couples and established no significant effect, also suggesting no relevance of ovulation to male sexual drive and aggressiveness.
		Research Diagnosis of tuberculosis: the experience at a specialized diagnostic laboratory Anita Mashta, Pooja Mishra, Sonia Philipose, S Tamilzhalagan, Hanif Mahmud, Sangeeta Bhaskar, Pramod Upadhyay Journal of Negative Results in BioMedicine 2011, 10:16 (18 November 2011) Abstract \| Full text \| PDF \| PubMed
		Research Lipoprotein(a) and inflammation in patients with atrial fibrillation after electrical cardioversion Franjo Naji, Miso Sabovic Journal of Negative Results in BioMedicine 2011, 10:15 (12 November 2011) Abstract \| Full text \| PDF \| PubMed
		Brief report Variation in the CXCR1 gene (IL8RA) is not associated with susceptibility to chronic periodontitis Raquel M Scarel-Caminaga, Karen MC Curtis, Rivelto Renzi, Patrícia M Sogumo, Giovana Anovazzi, Aline C Viana, Yeon J Kim, Silvana RP Orrico, Joni A Cirelli Journal of Negative Results in BioMedicine 2011, 10:14 (3 November 2011) Abstract \| Full text \| PDF \| PubMed
		Research Applying the Stages of Change model to Type 2 diabetes care in Trinidad: A randomised trial VA Partapsingh, RG Maharaj, JM Rawlins Journal of Negative Results in BioMedicine 2011, 10:13 (11 October 2011) Abstract \| Full text \| PDF \| PubMed
		Research The KCNE genes in hypertrophic cardiomyopathy: a candidate gene study Paula L Hedley, Ole Haundrup, Paal S Andersen, Frederik H Aidt, Morten Jensen, Johanna C Moolman-Smook, Henning Bundgaard, Michael Christiansen Journal of Negative Results in BioMedicine 2011, 10:12 (3 October 2011) Abstract \| Full text \| PDF \| PubMed
		Research Retroperitoneoscopic radical nephrectomy with a small incision for renal cell carcinoma: Comparison with the conventional method Hiroki Ito, Kazuhide Makiyama, Takashi Kawahara, Futoshi Sano, Takayuki Murakami, Narihiko Hayashi, Yasuhide Miyoshi, Noboru Nakaigawa, Masahiro Yao, Yoshinobu Kubota Journal of Negative Results in BioMedicine 2011, 10:11 (16 August 2011) Abstract \| Full text \| PDF \| PubMed
		Research False rumours of disease outbreaks caused by infectious myonecrosis virus (IMNV) in the whiteleg shrimp in Asia Saengchan Senapin, Kornsunee Phiwsaiya, Warachin Gangnonngiw, Timothy W Flegel Journal of Negative Results in BioMedicine 2011, 10:10 (3 August 2011) Abstract \| Full text \| PDF \| PubMed
		Research Human MMP28 expression is unresponsive to inflammatory stimuli and does not correlate to the grade of intervertebral disc degeneration Marina Klawitter, Lilian Quero, Alessando Bertolo, Marco Mehr, Jivko Stoyanov, Andreas G Nerlich, Juergen Klasen, Nikolaus Aebli, Norbert Boos, Karin Wuertz Journal of Negative Results in BioMedicine 2011, 10:9 (29 July 2011) Abstract \| Full text \| PDF \| PubMed
		Brief report Gastrointestinal complaints in runners are not due to small intestinal bacterial overgrowth Kai Schommer, Dejan Reljic, Peter Bärtsch, Peter Sauer Journal of Negative Results in BioMedicine 2011, 10:8 (27 July 2011) Abstract \| Full text \| PDF \| PubMed
		Research Histopathological grading of pediatric ependymoma: reproducibility and clinical relevance in European trial cohorts David W Ellison, Mehmet Kocak, Dominique Figarella-Branger, Giangaspero Felice, Godfraind Catherine, Torsten Pietsch, Didier Frappaz, Maura Massimino, Jacques Grill, James M Boyett, Richard G Grundy Journal of Negative Results in BioMedicine 2011, 10:7 (31 May 2011) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research No connection between the level of exposition to statins in the population and the incidence/mortality of acute myocardial infarction: An ecological study based on Sweden's municipalities Staffan Nilsson, Sigvard Mölstad, Catarina Karlberg, Jan-Erik Karlsson, Lars-Göran Persson Journal of Negative Results in BioMedicine 2011, 10:6 (24 May 2011) Abstract \| Full text \| PDF \| PubMed
		Brief report N-acetylcysteine lacks universal inhibitory activity against influenza A viruses Mutien-Marie O Garigliany, Daniel J Desmecht Journal of Negative Results in BioMedicine 2011, 10:5 (9 May 2011) Abstract \| Full text \| PDF \| PubMed
		Brief report The CTGF -945GC polymorphism is not associated with plasma CTGF and does not predict nephropathy or outcome in type 1 diabetes Amélie Dendooven, Tri Q Nguyen, Lodewijk Brosens, Dongxia Li, Lise Tarnow, Hans-Henrik Parving, Peter Rossing, Roel Goldschmeding Journal of Negative Results in BioMedicine 2011, 10:4 (8 May 2011) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central
		Research Vitamin D receptor gene polymorphisms in multiple sclerosis patients in northwest Greece Chrissa Sioka, Stylianos Papakonstantinou, Sofia Markoula, Foteini Gkartziou, Athanasia Georgiou, Ioannis Georgiou, Sygliti-Henrietta Pelidou, Athanassios P Kyritsis, Andreas Fotopoulos Journal of Negative Results in BioMedicine 2011, 10:3 (5 May 2011) Abstract \| Full text \| PDF \| PubMed
		Research Validity of self-reported leisure-time sedentary behavior in adolescents Olivia Affuso, June Stevens, Diane Catellier, Robert G McMurray, Dianne S Ward, Leslie Lytle, Melinda S Sothern, Deborah R Young Journal of Negative Results in BioMedicine 2011, 10:2 (11 February 2011) Abstract \| Full text \| PDF \| PubMed \| Cited on BioMed Central \| Editor’s summary Adolescents generally underestimated the duration of their sedentary behavior compared to data obtained objectively using an accelerometer, a movement monitor capturing the intensity of physical activity, questioning the reliability of activity-based questionnaires in public health research.
		Research Methylphenidate for treating tobacco dependence in non-attention deficit hyperactivity disorder smokers: A pilot randomized placebo-controlled trial Richard D Hurt, Jon O Ebbert, Ivana T Croghan, Darrell R Schroeder, Amit Sood, J Taylor Hays Journal of Negative Results in BioMedicine 2011, 10:1 (28 January 2011) Abstract \| Full text \| PDF \| PubMed \| Editor’s summary Despite similarities in neuropsychologic effects between nicotine and methylphenidate, the first large trial of the psychostimulant in non-ADHD smokers showed neither an increase in smoking abstinence, nor any observed effect on smoking rates and tobacco withdrawal symptoms.
		Research The checkpointkinase 2 (CHK2) 1100delC germ line mutation is not associated with the development of squamous cell carcinoma of the head and neck (SCCHN) Kathrin Scheckenbach, Galatia Papadopoulou, Thomas K Hoffmann, Adam Chaker, Henning Bier, Jörg Schipper, Vera Balz, Martin Wagenmann Journal of Negative Results in BioMedicine 2010, 9:10 (25 December 2010) Abstract \| Full text \| PDF \| PubMed
		Brief report TOPBP1 missense variant Arg309Cys and breast cancer in a German hospital-based case-control study Magda A Blaut, Natalia V Bogdanova, Michael Bremer, Johann H Karstens, Peter Hillemanns, Thilo Dörk Journal of Negative Results in BioMedicine 2010, 9:9 (25 November 2010) Abstract \| Full text \| PDF \| PubMed
		Research Shortcomings of short hairpin RNA-based transgenic RNA interference in mouse oocytes Lenka Sarnova, Radek Malik, Radislav Sedlacek, Petr Svoboda Journal of Negative Results in BioMedicine 2010, 9:8 (12 October 2010) Abstract \| Full text \| PDF \| PubMed
		Research Generation of a panel of antibodies against proteins encoded on human chromosome 21 Frances K Wiseman, Olivia Sheppard, Jacqueline M Linehan, Sebastian Brandner, Victor LJ Tybulewicz, Elizabeth MC Fisher Journal of Negative Results in BioMedicine 2010, 9:7 (20 August 2010) Abstract \| Full text \| PDF \| PubMed
		Research A comparison of meningococcal carriage by pregnancy status Eric J Knudtson, Mike L Lytle, Beverly A Vavricka, Valerie S Skaggs, Jennifer D Peck, Andrew E Elimian Journal of Negative Results in BioMedicine 2010, 9:6 (11 August 2010) Abstract \| Full text \| PDF \| PubMed
		Research The Drosophila Anion Exchanger (DAE) lacks a detectable interaction with the spectrin cytoskeleton Ronald R Dubreuil, Amlan Das, Christine Base, G Harper Mazock Journal of Negative Results in BioMedicine 2010, 9:5 (23 June 2010) Abstract \| Full text \| PDF \| PubMed
		Research Lack of effects of typical and atypical antipsychotics in DARPP-32 and NCS-1 levels in PC12 cells overexpressing NCS-1 Bruno R Souza, Karen CL Torres, Débora M Miranda, Bernardo S Motta, Estêvão Scotti-Muzzi, Melissa M Guimarães, Daniel S Carneiro, Daniela VF Rosa, Renan P Souza, Helton J Reis, Andreas Jeromin, Marco A Romano-Silva Journal of Negative Results in BioMedicine 2010, 9:4 (19 June 2010) Abstract \| Full text \| PDF \| PubMed
		Research Effect of venlafaxine on bone loss associated with ligature-induced periodontitis in Wistar rats Rosimary S Carvalho, Carolina M de Souza, Julliana CS Neves, Sergio A Holanda-Pinto, Lívia MS Pinto, Gerly AC Brito, Geanne M de Andrade Journal of Negative Results in BioMedicine 2010, 9:3 (14 June 2010) Abstract \| Full text \| PDF \| PubMed
		Research Human haematopoietic stem cells express Oct4 pseudogenes and lack the ability to initiate Oct4 promoter-driven gene expression Zoe Redshaw, Alastair J Strain Journal of Negative Results in BioMedicine 2010, 9:2 (31 March 2010) Abstract \| Full text \| PDF \| PubMed
		Brief report Does computer use pose a hazard for future long-term sickness absence? Johan H Andersen, Sigurd Mikkelsen Journal of Negative Results in BioMedicine 2010, 9:1 (22 March 2010) Abstract \| Full text \| PDF \| PubMed