@article {8493, title = {Anti-ApoA-1 IgG serum levels predict worse poststroke outcomes.}, journal = {Eur J Clin Invest}, volume = {46}, year = {2016}, month = {2016 Sep}, pages = {805-17}, abstract = {

BACKGROUND: Autoantibodies to apolipoprotein A-1 (anti-ApoA-1 IgG) were shown to predict major adverse cardiovascular events and promote atherogenesis. However, their potential relationship with clinical disability and ischaemic lesion volume after acute ischaemic stroke (AIS) remains unexplored.

MATERIALS AND METHODS: We included n = 76 patients admitted for AIS and we investigated whether baseline serum anti-ApoA-1 IgG levels could predict (i) AIS-induced clinical disability [assessed by the modified Rankin Scale (mRS)], and (ii) AIS-related ischaemic lesion volume [assessed by Computed Tomography (CT)]. We also evaluated the possible pro-apoptotic and pro-necrotic effects of anti-ApoA-1 IgG on human astrocytoma cell line (U251) using flow cytometry.

RESULTS: High levels of anti-ApoA-1 IgG were retrieved in 15{\textperiodcentered}8\% (12/76) of patients. Increased baseline levels of anti-ApoA-1 IgG were independently correlated with worse mRS [β = 0{\textperiodcentered}364; P = 0{\textperiodcentered}002; adjusted odds ratio (OR): 1{\textperiodcentered}05 (95\% CI 1{\textperiodcentered}01-1{\textperiodcentered}09); P = 0{\textperiodcentered}017] and CT-assessed ischaemic lesion volume [β = 0{\textperiodcentered}333; P < 0{\textperiodcentered}001; adjusted OR: 1{\textperiodcentered}06 (95\% CI 1{\textperiodcentered}01-1{\textperiodcentered}12); P = 0{\textperiodcentered}048] at 3 months. No difference in baseline clinical, biochemical and radiological characteristics was observed between patients with high vs. low levels of anti-ApoA-1 IgG. Incubating human astrocytoma cells with anti-ApoA-1 IgG dose dependently induced necrosis and apoptosis of U251 cells in vitro.

CONCLUSION: Anti-ApoA-1 IgG serum levels at AIS onset are associated with poorer clinical recovery and worse brain lesion volume 3 months after AIS. These observations could be partly explained by the deleterious effect of anti-ApoA-1 IgG on human brain cell survival in vitro and may have clinical implication in the prediction of poor outcome in AIS.

}, issn = {1365-2362}, doi = {10.1111/eci.12664}, author = {Carbone, Federico and Satta, Nathalie and Montecucco, Fabrizio and Virzi, Julien and Burger, Fabienne and Roth, Aline and Roversi, Gloria and Tamborino, Carmine and Casetta, Ilaria and Seraceni, Silva and Trentini, Alessandro and Padroni, Marina and Dallegri, Franco and Lalive, Patrice H and Mach, Fran{\c c}ois and Fainardi, Enrico and Vuilleumier, Nicolas} } @article {8040, title = {Leptin/adiponectin ratio predicts poststroke neurological outcome.}, journal = {Eur J Clin Invest}, volume = {45}, year = {2015}, month = {2015 Nov}, pages = {1184-91}, abstract = {

BACKGROUND AND AIMS: Different adipokines have been associated with atherosclerotic plaque rupture and cardiovascular events, such as acute ischaemic stroke (AIS). However, the potential role of these molecules in postischaemic brain injury remains largely unknown.

METHODS AND METHODS: We performed a substudy analysis on nonobese patients with first atherothrombotic stroke (n = 35) from a recently published prospective cohort. Primary endpoint was to investigate the predictive value of serum leptin/adiponectin ratio on neurological recovery at 90 days after AIS. The secondary endpoint was the predictive value of serum adipokine levels of clinical and radiological outcomes at a shorter follow-up (at days 1 and 7 after AIS). The radiological evaluation included ischaemic lesion volume and haemorrhagic transformation (HT). The clinical examination was based on National Institutes of Health Stroke Scale (NIHSS) and modified Rankin Scale (mRS).

RESULTS: At day 1 after AIS, serum leptin and leptin/adiponectin ratio were increased and inversely correlated with both radiological and clinical parameters at all follow-up time points. Once identified the best cut-off points by receiver operating characteristic (ROC) analysis, risk analysis showed that higher circulating leptin improved neurological recovery at day 90. In addition, leptin/adiponectin ratio maintained statistical significance after adjustment for age, gender and thrombolysis, also predicting the occurrence of HT in the first 7 days after AIS (adjusted OR 0{\textperiodcentered}15 [95\% CI 0{\textperiodcentered}03-0{\textperiodcentered}83); P = 0{\textperiodcentered}030]).

CONCLUSIONS: Higher leptin/adiponectin ratio at day 1 predicted better neurological outcomes in patients with atherothrombotic AIS and might be potentially useful as a prognostic biomarker of the disease.

}, issn = {1365-2362}, doi = {10.1111/eci.12538}, author = {Carbone, Federico and Burger, Fabienne and Roversi, Gloria and Tamborino, Carmine and Casetta, Ilaria and Seraceni, Silva and Trentini, Alessandro and Padroni, Marina and Bertolotto, Maria and Dallegri, Franco and Mach, Fran{\c c}ois and Fainardi, Enrico and Montecucco, Fabrizio} }