Peri-alkylated terrylenes and ternaphthalenes building-blocks towards multi-edge nanographenes.

Since its first synthesis by Clar in 1948, terrylene - a fully connected ternaphthalene oligomer via naphthalene's peri-positions - has gained special focus within the rylene family, drawing interest for its unique chemical, structural, optoelectronic and single photon emission properties. In this study, we introduce a novel synthetic pathway that enhances the solubility of terrylene derivatives through complete peri-alkylation, while also facilitating extensions at the bay-positions. This approach not only broadens the scope of terrylene's chemical versatility but also opens new avenues for developing solution processable novel multi-edge nanographenes and tailoring electronic energy levels through topological edge structures. Our findings include a comprehensive structural and spectroscopic characterization which include transient absorption spectroscopy and photophysics of both the synthesized peri-alkylated terrylene and its phenylene-fused derivative.

Efficacy and safety of plasma gel versus platelet-rich plasma in periorbital rejuvenation: a comparative split-face clinical and Antera 3D camera study.

BACKGROUND: Periorbital skin is the thinnest. That is why, it is the easiest to wrinkle and the most challenging to rejuvenate. Platelet-rich plasma (PRP) as well as plasma gel have been used for skin rejuvenation and considered relatively safe and effective. METHODS: This split-face study was conducted on forty female patients seeking periorbital rejuvenation where PRP was injected in the right (Rt) side and plasma gel in the left (Lt) side, two treatment sessions 4 weeks apart (week 0 and week 4). Patients were followed up 2 weeks after each treatment session (week 2 and week 6) as well as 12 weeks after the last session (week 16) using both subjective [physician assessment through Global Aesthetic Improvement score (GAIS) and patient's satisfaction (Likert scale)] and objective [Antera 3D camera] assessment methods. RESULTS: Both modalities yielded a significant improvement of periorbital wrinkles after the 2nd session, with significantly better results on the plasma gel injected side; however, the improvement achieved through both modalities could not be maintained for the following 3 months. Besides, objective assessment could not prove any improvement in periorbital hyperpigmentation. CONCLUSION: Two sessions of both PRP and plasma gel are effective for periorbital rejuvenation, with plasma gel showing significantly better results. However, improvement was not maintained for 3 months.

Malaysian clinical practice guidelines for management of diabetic foot: A synopsis for the primary care physician.

Diabetic foot requires careful attention and coordinated management by a dedicated team. Screening, prevention, adequate assessment, and appropriate referral are crucial to prevent complications. Multimodal treatment and rehabilitation are recommended to ensure a better quality of life and reduction of amputation rate in people with diabetic foot.

Malaysian clinical practice guidelines for management of diabetic foot: A synopsis for the primary care physician

@#Diabetic foot requires careful attention and coordinated management by a dedicated team. Screening, prevention, adequate assessment, and appropriate referral are crucial to prevent complications. Multimodal treatment and rehabilitation are recommended to ensure a better quality of life and reduction of amputation rate in people with diabetic foot.

Data of expression status of miR- 29a and its putative target mitochondrial apoptosis regulatory gene DRP1 upon miR-15a and miR-214 inhibition.

Data is about the mitochondrial apoptosis regulatory framework genes PUMA, DRP1 (apoptotic), and ARC (anti-apoptotic) analysis after the employment of their controlling miRNAs inhibitors. The data represents putative conserved targeting of seed regions of miR-15a, miR-29a, and miR-214 with respective target genes PUMA, DRP1, and ARC. Data is of cross interference in expression levels of one miRNA family, miR-29a and its putative target DRP1 upon the inhibitory treatment of other miRNAs 15a and 214.

Regulation of Dendritic Spine Morphology in Hippocampal Neurons by Copine-6.

Dendritic spines compartmentalize information in the brain, and their morphological characteristics are thought to underly synaptic plasticity. Here we identify copine-6 as a novel modulator of dendritic spine morphology. We found that brain-derived neurotrophic factor (BDNF) - a molecule essential for long-term potentiation of synaptic strength - upregulated and recruited copine-6 to dendritic spines in hippocampal neurons. Overexpression of copine-6 increased mushroom spine number and decreased filopodia number, while copine-6 knockdown had the opposite effect and dramatically increased the number of filopodia, which lacked PSD95. Functionally, manipulation of post-synaptic copine-6 levels affected miniature excitatory post-synaptic current (mEPSC) kinetics and evoked synaptic vesicle recycling in contacting boutons, and post-synaptic knockdown of copine-6 reduced hippocampal LTP and increased LTD. Mechanistically, copine-6 promotes BDNF-TrkB signaling and recycling of activated TrkB receptors back to the plasma membrane surface, and is necessary for BDNF-induced increases in mushroom spines in hippocampal neurons. Thus copine-6 regulates BDNF-dependent changes in dendritic spine morphology to promote synaptic plasticity.

Interplay of mitochondria apoptosis regulatory factors and microRNAs in valvular heart disease.

Valvular heart disease (VHD) is an active process involving a wide range of pathological changes. The major complications of VHD are stenosis and regurgitation, which are macroscopic phenomena, induced in part through cellular changes. Altered expression of mitochondria associated genes causes membrane potential depolarization, leading to the increased levels of apoptosis observed in cardiac dysfunction. Objective of this study is to find molecular medicine candidates that can control expression of the key mitochondria apoptosis regulatory genes. Present study aims to assess the way microRNA are involved in regulating mitochondrial apoptosis regulatory genes and observation of their expression in the heart valve dysfunction. Apoptotic genes PUMA and DRP1 were found to be highly expressed, whereas anti-apoptotic gene ARC was down regulated. The expression level of GATA-4 transcription factor was also reduced in cardiac valve tissues. MicroRNAs miR-15a and miR-29a were repressed, while miR-214 was up regulated. Furthermore, study showed that PUMA, DRP1 and ARC expression might be attenuated by their respective miRNAs. Our results indicate that mitochondria regulatory genes might be controlled by miR-15a, miR-29a and miR-214, in VHD patients. Present study may provide platform for future research regarding potential therapeutic role of miRNAs in CVDs.