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MRI-Baselined Computer Model Predicts Future Patterns of Dementia

By MedImaging International staff writers
Posted on 05 Apr 2012
Researchers have devised a computer program that has monitored the way in which different forms of dementia can spread within a human brain. More...
They reported that their mathematic model could be used to predict where and approximately, when an individual patient’s brain will suffer from the spread, neuron to neuron, of “prion-like” toxic proteins--a process that underlies all forms of dementia.

The findings, published in the March 22, 2012, issue of the journal Neuron, could help patients and their families validate a diagnosis of dementia and prepare in advance for future cognitive declines over time. In the future--in an time where targeted drugs against dementia exist--the program might also help physicians identify suitable brain targets for therapeutic intervention, says the study’s lead researcher, Ashish Raj, PhD, an assistant professor of computer science in radiology from Weill Cornell Medical College (New York, NY, USA).

“Think of it as a weather radar system, which shows you a video of weather patterns in your area over the next 48 hours,” stated Dr. Raj. “Our model, when applied to the baseline magnetic resonance imaging scan of an individual brain, can similarly produce a future map of degeneration in that person over the next few years or decades. This could allow neurologists to predict what the patient’s neuroanatomic and associated cognitive state will be at any given point in the future. They could tell whether and when the patient will develop speech impediments, memory loss, behavioral peculiarities, and so on. Knowledge of what the future holds will allow patients to make informed choices regarding their lifestyle and therapeutic interventions.”

“At some point we will gain the ability to target and improve the health of specific brain regions and nerve fiber tracts,” Dr. Raj said. “At that point, a good prediction of a subject’s future anatomic state can help identify promising target regions for this intervention. Early detection will be key to preventing and managing dementia.”

The computational model, which Dr. Raj developed, is the latest, and one of the most significant, validations of the hypothesis that dementia is caused by proteins that spread through the brain along networks of neurons. It extends findings that were widely reported in February 2012 that Alzheimer’s disease starts in a specific brain region, but spreads further by way of misfolded, toxic tau proteins. Those studies, by researchers at Columbia University Medical Center (New York, NY, USA) and Massachusetts General Hospital (Boston, MA, USA), were conducted in mouse models and focused only on Alzheimer’s disease.

In this study, Dr. Raj detailed how he developed the mathematic model of the flow of toxic proteins, and then demonstrates that it correctly predicted the patterns of degeneration that results in a number of different forms of dementia. He noted that his model is predicated on the recent determination that all known forms of dementia are accompanied by, and likely caused by, abnormal or misfolded proteins. Proteins have a distinct shape, depending on their specific function--but proteins that become misshapen can produce unwanted toxic effects. One example is tau, which is found in a misfolded state in the brains of both Alzheimer’s patients and patients with frontal temporal dementia (FTD). Other proteins, such as TDP43 and ubiquitin, are also found in FTD, and alpha synuclein is found in Parkinson’s disease.

These proteins are called “prion-like” because misfolded, or diseased, proteins trigger the misfolding of other proteins they travel down a specific neuronal pathway. Prion diseases (such as mad cow disease) that involve transmission of misfolded proteins are thought to be infectious between individuals. “There is no evidence that Alzheimer’s or other dementias are contagious in that way, which is why their transmission is called prion-like.”

Dr. Raj calls his model of transneuronal spread of misfolded proteins “very simple.” It models the same process by which any gas diffuses in air, except that in the case of dementias the diffusion process occurs along connected neural fiber tracts in the brain. “This is a common process by which any disease-causing protein can result in a variety of dementias,” he said.

The model identifies the neural sub-networks in the brain into which misfolded proteins will collect before moving on to other brain areas that are connected by networks of neurons. In the process, the proteins alter normal functioning of all brain areas they visit. “What is new and really quite remarkable is the network diffusion model itself, which acts on the normal brain connectivity network and manages to reproduce many known aspects of whole brain disease patterns in dementias,” Dr. Raj noted. “This provides a very simple explanation for why different dementias appear to target specific areas of the brain.”

In the study, he was able to correlate patterns from the diffusion model, which traced protein disbursal in a healthy brain, to the patterns of brain atrophy observed in patients with either Alzheimer’s disease or frontotemporal dementia (FTD). This degeneration was measured using magnetic resonance imaging (MRI) and other applications that could quantify the amount of brain volume loss experienced in each region of the patient’s brain. Coauthor Amy Kuceyeski, PhD, a postdoctoral fellow who works with Dr. Raj, helped analyze brain volume measurements in the diseased brains.

“Our study demonstrates that such a spreading mechanism leads directly to the observed patterns of atrophy one sees in various dementias,” Dr. Raj said. “While the classic patterns of dementia are well known, this is the first model to relate brain network properties to the patterns and explain them in a deterministic and predictive manner.”

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76 (30.994415283203): SELECT show_live FROM jos_com_show_setting LIMIT 1
77 (29.087066650391): SELECT show_live FROM jos_com_show_setting LIMIT 1
78 (26.941299438477): SELECT show_live FROM jos_com_show_setting LIMIT 1
79 (27.894973754883): SELECT show_live FROM jos_com_show_setting LIMIT 1
80 (26.941299438477): SELECT show_live FROM jos_com_show_setting LIMIT 1
81 (33.140182495117): SELECT show_live FROM jos_com_show_setting LIMIT 1
82 (48.160552978516): SELECT show_live FROM jos_com_show_setting LIMIT 1
83 (38.862228393555): SELECT show_live FROM jos_com_show_setting LIMIT 1
84 (35.04753112793): SELECT show_live FROM jos_com_show_setting LIMIT 1
85 (30.040740966797): SELECT show_live FROM jos_com_show_setting LIMIT 1
86 (32.901763916016): SELECT show_live FROM jos_com_show_setting LIMIT 1
87 (82.969665527344): SELECT show_live FROM jos_com_show_setting LIMIT 1
88 (65.088272094727): SELECT fid FROM jos_deeppockets WHERE cat=10 AND id=294740087 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
89 (47.922134399414): SELECT fid FROM jos_deeppockets_archive WHERE cat=10 AND id=294740087 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
90 (34.093856811523): SELECT id,name,title FROM jos_deeppockets WHERE cat=10 AND TYPE='file_folder' AND published=1 AND id != 294743300 AND id != 294743301 AND id != 294743302 AND id != 294743303 AND id != 294743304 AND id != 294743305 AND id != 294743306 AND id != 294743307 AND id != 294743308 AND id != 294743309 AND id != 294743310 AND metakey != 'aacc' ORDER BY `ordering`
91 (53.167343139648): SELECT show_live FROM jos_com_show_setting LIMIT 1
92 (32.186508178711): SELECT show_live FROM jos_com_show_setting LIMIT 1
93 (27.894973754883): SELECT show_live FROM jos_com_show_setting LIMIT 1
94 (27.894973754883): SELECT show_live FROM jos_com_show_setting LIMIT 1
95 (59.127807617188): SELECT show_live FROM jos_com_show_setting LIMIT 1
96 (31.948089599609): SELECT show_live FROM jos_com_show_setting LIMIT 1
97 (36.001205444336): SELECT show_live FROM jos_com_show_setting LIMIT 1
98 (29.087066650391): SELECT show_live FROM jos_com_show_setting LIMIT 1
99 (26.941299438477): SELECT show_live FROM jos_com_show_setting LIMIT 1
100 (27.894973754883): SELECT show_live FROM jos_com_show_setting LIMIT 1
101 (28.133392333984): SELECT show_live FROM jos_com_show_setting LIMIT 1
102 (28.133392333984): SELECT show_live FROM jos_com_show_setting LIMIT 1
103 (27.179718017578): SELECT show_live FROM jos_com_show_setting LIMIT 1
104 (28.133392333984): SELECT show_live FROM jos_com_show_setting LIMIT 1
105 (81.062316894531): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294740087 AND published='1' LIMIT 1
106 (46.014785766602): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294740087 AND published='1' LIMIT 1
107 (55.789947509766): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.cat=10 AND dp.id=294740087 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
108 (48.87580871582): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets_archive as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.cat=10 AND dp.id=294740087 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
109 (85.830688476562): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294740087 AND published='1' LIMIT 1
110 (48.87580871582): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294740087 AND published='1' LIMIT 1
111 (71.048736572266): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.id=294740087 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
112 (583.88710021973): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets_archive as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.id=294740087 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
113 (842.09442138672): SELECT dp.name, dp.id, dp2.name as channel, ex.name as author_name, ex.specialization, ex.images FROM jos_deeppockets as dp LEFT JOIN jos_experts as ex ON ex.id = dp.author LEFT JOIN jos_deeppockets as dp2 ON dp2.id = dp.fid WHERE dp.author != 0 AND dp.cat = 10 AND dp.published = 1 AND ( (dp.fid = 294743300) OR (dp.fid = 294743301) OR (dp.fid = 294743302) OR (dp.fid = 294743303) OR (dp.fid = 294743304) OR (dp.fid = 294743305) OR (dp.fid = 294743306) OR (dp.fid = 294743307) OR (dp.fid = 294743308) OR (dp.fid = 294743309) OR (dp.fid = 294743310) ) ORDER BY RAND() LIMIT 1
114 (583.88710021973): SELECT dp.name, dp.id, dp2.name as channel, ex.name as author_name, ex.specialization, ex.images FROM jos_deeppockets as dp LEFT JOIN jos_experts as ex ON ex.id = dp.author LEFT JOIN jos_deeppockets as dp2 ON dp2.id = dp.fid WHERE dp.author != 0 AND dp.cat = 10 AND dp.published = 1 AND ( (dp.fid = 294743300) OR (dp.fid = 294743301) OR (dp.fid = 294743302) OR (dp.fid = 294743303) OR (dp.fid = 294743304) OR (dp.fid = 294743305) OR (dp.fid = 294743306) OR (dp.fid = 294743307) OR (dp.fid = 294743308) OR (dp.fid = 294743309) OR (dp.fid = 294743310) ) ORDER BY RAND() LIMIT 1
115 (196.93374633789): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294740087 AND published='1' LIMIT 1
116 (77.962875366211): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294740087 AND published='1' LIMIT 1
117 (109.91096496582): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294740087 AND published='1' LIMIT 1
118 (71.048736572266): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294740087 AND published='1' LIMIT 1
119 (100.13580322266): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294740087 AND published='1' LIMIT 1
120 (64.13459777832): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294740087 AND published='1' LIMIT 1
121 (92.983245849609): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294740087 AND published='1' LIMIT 1
122 (118.97087097168): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294740087 AND published='1' LIMIT 1
123 (490.18859863281): SELECT * FROM trending_articles WHERE `journal_id` = 10 AND `timestamp` <= NOW() + INTERVAL 7 DAY ORDER BY `order`
124 (!!!!! 25087.118148804): SELECT * FROM jos_deeppockets WHERE jos_deeppockets.cat = 10 AND jos_deeppockets.type = 'deeppockets_item' AND jos_deeppockets.published = 1 AND jos_deeppockets.created + INTERVAL 14 DAY >= NOW() ORDER BY jos_deeppockets.hits DESC LIMIT 7
125 (710.01052856445): SELECT fid FROM jos_deeppockets WHERE cat=10 AND id=294740087 AND type='deeppockets_item' AND published='1' union SELECT fid FROM jos_deeppockets_archive WHERE cat=10 AND id=294740087 AND type='deeppockets_item' AND published='1' LIMIT 1
126 (!!!!! 9216.0701751709): ( SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.video != '' AND dp.video_source != '' AND dp.cat = 10 AND dp.published = 1 AND dp.type != 'deeppockets_item_link' ORDER BY created DESC LIMIT 3 ) UNION ( SELECT dpa.id, dpa.name, dpa.title, dpa.video, dpa.video_source, dpa.created FROM jos_deeppockets_archive AS dpa WHERE dpa.video != '' AND dpa.video_source != '' AND dpa.cat = 10 AND dpa.published = 1 AND dpa.type != 'deeppockets_item_link' ORDER BY created DESC LIMIT 3 ) ORDER BY created DESC LIMIT 3
127 (102.99682617188): ( SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.video != '' AND dp.video_source != '' AND dp.cat = 10 AND dp.published = 1 AND dp.type != 'deeppockets_item_link' ORDER BY created DESC LIMIT 3 ) UNION ( SELECT dpa.id, dpa.name, dpa.title, dpa.video, dpa.video_source, dpa.created FROM jos_deeppockets_archive AS dpa WHERE dpa.video != '' AND dpa.video_source != '' AND dpa.cat = 10 AND dpa.published = 1 AND dpa.type != 'deeppockets_item_link' ORDER BY created DESC LIMIT 3 ) ORDER BY created DESC LIMIT 3
128 (72.002410888672): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294803337 LIMIT 1
129 (43.869018554688): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294803337 LIMIT 1
130 (54.836273193359): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294803276 LIMIT 1
131 (33.140182495117): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294803276 LIMIT 1
132 (401.02005004883): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets_archive AS dp WHERE dp.id = 294803276 LIMIT 1
133 (88.214874267578): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets_archive AS dp WHERE dp.id = 294803276 LIMIT 1
134 (33.140182495117): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294802958 LIMIT 1
135 (28.133392333984): SELECT dp.id, dp.name, dp.title, dp.video, dp.video_source, dp.created FROM jos_deeppockets AS dp WHERE dp.id = 294802958 LIMIT 1
136 (576.01928710938): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
137 (399.82795715332): SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294740087 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
138 (61.988830566406): SELECT name FROM jos_deeppockets WHERE id=212
139 (41.007995605469): SELECT name FROM jos_deeppockets WHERE id=212
140 (761.98577880859): SELECT *, DATE_FORMAT(publish_up,'%d %b %Y') AS date_publish_up, DATE_FORMAT(publish_down,'%d %b %Y') AS date_publish_down FROM jos_events WHERE state=1 AND publish_up > NOW() and extra_info REGEXP '((;)|(^))212((;)|($))' AND catid IN (0,110) ORDER BY publish_up ASC LIMIT 3
141 (830.88874816895): SELECT *, DATE_FORMAT(publish_up,'%d %b %Y') AS date_publish_up, DATE_FORMAT(publish_down,'%d %b %Y') AS date_publish_down FROM jos_events WHERE state=1 AND publish_up > NOW() and extra_info REGEXP '((;)|(^))212((;)|($))' AND catid IN (0,110) ORDER BY publish_up ASC LIMIT 3
142 (87.02278137207): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294740087 AND published='1' LIMIT 1
143 (54.121017456055): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294740087 AND published='1' LIMIT 1
144 (!!!!! 10982.990264893): TRUNCATE TABLE jos_trademed_module
145 (113.01040649414): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.cat=10 AND dp.id=294740087 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
146 (64.13459777832): SELECT dp.*, ch.title as channel, exp.name as author_name, exp.specialization as author_specialization, exp.images as author_photo FROM jos_deeppockets_archive as dp LEFT JOIN jos_experts as exp ON exp.id = dp.author LEFT JOIN jos_deeppockets as ch ON dp.fid = ch.id WHERE 1=1 AND dp.cat=10 AND dp.id=294740087 AND (dp.type='deeppockets_item' OR dp.type='deeppockets_item_link') AND dp.published='1' LIMIT 1
147 (520.94459533691): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
148 (61.03515625): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND (type='deeppockets_item' OR type='deeppockets_item_link') AND published='1' LIMIT 1
149 (108.00361633301): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294740087 AND published='1' LIMIT 1
150 (76.055526733398): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294740087 AND published='1' LIMIT 1
151 (!!!!! 1537.0845794678): SELECT jos_item.* FROM jos_item INNER JOIN jos_number ON jos_item.numberID=jos_number.id WHERE 1=1 AND (jos_item.imgMini<>'') AND jos_item.type='L' AND jos_item.numberID= ( SELECT jos_number.id FROM jos_number WHERE jos_number.journalID IN (10) and jos_number.id in (select distinct jos_number.id from jos_number join jos_item on jos_item.numberid=jos_number.id where jos_item.type='P') ORDER BY (CONVERT(SUBSTRING(issue,1,2),SIGNED) + (CONVERT(SUBSTRING(issue,3,2),SIGNED)*100)) DESC LIMIT 0,1 ) ORDER BY RAND() DESC LIMIT 6
152 (82.015991210938): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294740087 AND published='1' LIMIT 1
153 (58.174133300781): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294740087 AND published='1' LIMIT 1
154 (39.100646972656): SELECT fid FROM jos_deeppockets WHERE cat=10 AND id=294740087 AND type='deeppockets_item' AND published='1' union SELECT fid FROM jos_deeppockets_archive WHERE cat=10 AND id=294740087 AND type='deeppockets_item' AND published='1' LIMIT 1
155 (35.04753112793): select distinct links.* from jos_textlinks links join jos_textlinks_placement placement on links.id=placement.link_id where journal_id=(10) and (channel_id=212 or channel_id is null)
156 (31.948089599609): select distinct links.* from jos_textlinks links join jos_textlinks_placement placement on links.id=placement.link_id where journal_id=(10) and (channel_id=212 or channel_id is null)
157 (34.093856811523): SELECT livesite FROM jos_dp_categories WHERE id=10 AND published='1' LIMIT 1
158 (216.00723266602): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294740087 AND published='1' LIMIT 1
159 (91.075897216797): SELECT * FROM jos_deeppockets WHERE 1=1 AND id=294740087 AND published='1' union SELECT * FROM jos_deeppockets_archive WHERE 1=1 AND id=294740087 AND published='1' LIMIT 1
160 (62.942504882812): select jos_twitters.link from jos_twitters where cat=10
161 (38.14697265625): select jos_facebook.link from jos_facebook where cat=10
162 (31.948089599609): select jos_google_plus.link from jos_google_plus where cat=10
163 (29.087066650391): select jos_linkedin.link from jos_linkedin where cat=10