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A major challenge in taste research is to overcome the flavour imperfections in food products and to build nutritious strategies to combat against obesity as well as other related metabolic syndromes. The field of molecular taste research and chemical senses has contributed to an enormous development in understanding the taste receptors and mechanisms of taste perception. Accordingly, the development of taste-modifying compounds or taste modulators that alter the perception of basic taste modalities has gained significant prominence in the recent past. The beneficial aspects of these substances are overwhelming while considering their potential taste-modifying properties. The objective of the present review is to provide an impression about the taste-modulating compounds and their distinctive taste-modifying properties with reference to their targets and proposed mechanisms of action. The present review also makes an effort to discuss the basic mechanism involved in oro-gustatory taste perception as well as on the effector molecules involved in signal transduction downstream to the activation of taste receptors.

Hypertension (HT) significantly impacts cardiovascular health (CVH) by exerting chronic stress on arteries and the heart, leading to severe health complications. This review explores the intricate relationship between dietary choices and high blood pressure (BP). Dietary choices are crucial in both the development and management of high BP. Excessive sodium intake is a well-documented risk factor for HT, and strategies to reduce salt consumption can mitigate its adverse effects. Processed and packaged foods also pose severe risks due to hidden sodium and other unhealthy ingredients, making healthier alternatives essential. Potassium plays a vital role in managing BP, with potassium-rich foods supporting a balanced diet. Saturated and trans fats contribute to elevated BP, and healthier fat alternatives are recommended. Excessive sugar consumption negatively affects BP, with hidden sugars in popular foods requiring practical strategies for reduction. Alcohol and caffeine also influence BP, and moderate consumption is advised to avoid potential risks. The Mediterranean diet offers a holistic, evidence-based approach to enhancing CVH, with practical advice and meal plans for a flavourful and health-promoting dietary regimen. Graphical abstract Highlights Dietary choices critically impact blood pressure (BP) management and prevention. Excess sodium and unhealthy fats are linked to elevated BP and cardiovascular disease. Potassium-rich foods and healthy fats support BP regulation. Moderate alcohol intake may benefit cardiovascular health. •Mediterranean diet effectively lowers BP and cardiovascular risk.

Background Recalcitrant nature is a major constraint for the in vitro regeneration and genetic transformation of leguminous species members. Therefore, an improved genetic transformation in horse gram has been developed via in planta method, in which Agrobacterium strain harboring binary vector pCAMBIA2301 was used for the transformation. Several factors affecting in planta transformations were put forth viz. Agrobacterium cell density, co-cultivation, and sonication combined with vacuum infiltration duration which were optimized. Results Germinated seeds were sonicated and vacuum infiltrated with different densities of Agrobacterium culture and co-cultivated in half-strength MS medium with 100 [mu]M of acetosyringone for 48 h. Seedlings were washed with cefotaxime and sowed in vermiculite soil for maturation. T.sub.1 plants were subjected to histochemical and molecular analysis to ensure transformation efficiency. Among various combinations analyzed, maximum transformation efficiency (20.8%) was attained with seeds of 5 min sonication combined with vacuum infiltration with 0.6 optical density of Agrobacterium culture. Conclusions It concludes that a different Agrobacterium cell density with sonication combined with vacuum infiltration has improved transgenic efficiency in horse gram plants. This simple and efficient method is feasible for the stable expression of foreign genes that could be beneficial for future food security.

Exposure of organisms to heat stress induces the expression of evolutionarily conserved proteins called the stress proteins or heat shock proteins (HSPs). At the cellular level, HSPs by acting as molecular chaperone prevents the heat induced aggregation of denatured proteins and play a significant role in adaptation to temperature. Among different HSP family members, Hsp70 is the highly conserved and ubiquitously expressed protein. The present study is carried out to detect changes in the localization of Hsp70/Hsc70 in gill and heart tissues of control and heat shocked juveniles of Macrobrachium malcolmsonii that could be correlated with the functional significance of these two isoforms. Two groups of prawn acclimated at 30 °C were exposed to reported optimum Hsp70 induction temperatures of 36 °C and 38 °C for heart and gill, respectively, for a duration of 48 h. These tissues were processed by immunocytochemical methods to detect intra-cellular localization of Hsp70/Hsc70. Western blotting analysis was performed to determine the cytoplasmic or nuclear localization of Hsp70/Hsc70 and band intensity was detected in total lysate, cytosolic and nuclear extracts of gill and heart tissue. The present investigation clearly shows that there are alterations in the intracellular localization of Hsp70/Hsc70 in the cells of the gill and heart tissues of M. malcolmsonii following heat stress. The western blotting results corroborate the results obtained by immunohistochemical localisation. The differential intracellular localization of Hsp70/Hsc70 appears to indicate the functional roles of this stress protein during exposure to thermal stress.

Genetic variations in taste receptors are associated with gustatory perception and obesity, which in turn affects dietary preferences. Given the increasing tendency of people with obesity choosing sweet, high-fat meals, the current study assessed the cross-regulation of two polymorphisms of the sweet taste receptor ( T1R2/T1R3 ), rs35874116 and rs307355, on fat sensitivity in Indian adults. We investigated the association between taste sensitivity and BMI in the T1R2, T1R3 , and CD36 polymorphic and non-polymorphic groups. The general labelled magnitude scale (gLMS) was used to assess the taste sensitivity of 249 participants in addition to anthropometric data. TaqMan Probe-based RT-PCR was employed to determine the polymorphisms. Additionally, the colorimetric method utilizing 3, 5-dinitro salicylic acid was used to evaluate the participants' salivary amylase activity. The mean detection thresholds for linoleic acid (LA) and sucrose were greater in individuals with obesity (i.e., 0.97 ± 0.08 mM and 0.22 ± 0.02 M, respectively) than in healthy adults ( p  < 0.0001), indicating lower sensitivity. Moreover, it was found that a greater proportion of persons with obesity fall into the polymorphic groups (i.e., 52% with genotype CD36 AA, 44% with genotype T1R2 CC, and 40% with genotype T1R3 TT). All three single nucleotide polymorphisms support the Hardy–Weinberg equilibrium ( p  = 0.78). The Pearson correlation analysis between LA and the sucrose detection threshold revealed a significant ( p  < 0.0001) positive relationship with an r  value of 0.5299. Moreover, salivary amylase activity was significantly ( p  < 0.05) higher in the polymorphic sub-groups. The results of our study imply that genetic variations in T1R2/T1R3 receptors affect perception of both sweetness and fat, which may have an effect on obesity.

We aimed to search for mutations in the germline and somatic DNA of the TEK gene and to analyze the expression level of Src and phospho-Src (p-Src) in tumor and healthy tissues from patients with facial cutaneo-mucosal venous malformations (VMCM). Eligible patients from twelve families and thirty healthy controls were recruited respectively at the Departments of Stomatology and Oral Surgery, and Transfusion Medicine of Tlemcen University Medical Centre. Immunoblot analyses of Src and p-Src were performed after direct DNA sequencing. No somatic or germline mutations were found in all the 23 exons and their 5’ and 3’ intronic flanking regions, except for one case in which a c.3025+20-3025+22 del mutation was highlighted at the intron 15, both in the germline and somatic DNA. Additionally, elevated expression levels of Src and p-Src were observed only in the patient with such mutation. However, when normalized to β-actin, the overall relative expression levels of both Src and p-Src were significantly increased in VMCM tissues when compared to healthy tissues (for both comparisons, p <0.001). In conclusion, we confirm the outcomes of our previous work suggesting that VMCM can develop independently of mutation of the TEK gene. Additionally, the results for Src activity are of particular interest in the context of specific targeted therapies and biological diagnosis. Nevertheless, such a conclusion should be confirmed through a mechanistic study and/or in a satisfactory number of patients.

The Striga angustifolia (D. Don) C.J. Saldanha was used as an Ayurvedic and homeopathic medicine for cancer by the tribal peoples of the Maruthamalai Hills, Coimbatore, India. Hence, the traditional use that has been proven to be effective lacks convincing scientific references. This present study was conducted to investigate the presence of potentially bioactive compounds from S. angustifolia and provides a scientific basis for the ethnobotanical utility. The organosulfur compound 5,5′-dithiobis(1-phenyl-1H-tetrazole) (COMP1) was isolated from S. angustifolia extracts, and the structures of COMP1 were elucidated and characterized by using 13C and 1H nuclear magnetic resonance (NMR) and single crystal X-ray powder diffraction (XRD). Our findings showed that COMP1 significantly reduced cell proliferation of breast and lung cancer cells, but not that of non-malignant epithelial cells. Further analysis revealed that COMP1 promoted cell cycle arrest and apoptosis of lung cancer cells. Mechanistically, COMP1 facilitates p53 activity and inhibits mammalian target of rapamycin (mTOR) signaling, thereby inducing cell cycle arrest and apoptosis of lung cancer cells by inhibiting cell growth. Our findings suggest that COMP1 may serve as a potential drug for lung cancer through the regulation of p53/mTOR pathways.

This study investigated the anticancer phytocompounds in leaf extracts of Oxalis latifolia Kunth. Quantitative analysis of the phytochemical composition showed high levels of primary metabolites: carbohydrates (45.11 ± 2.15 GLE mg/100 mg), proteins (28.13 ± 0.94 BSA mg/100 mg), and amino acids (13.25 ± 1.16 LE mg/100 mg). Ethyl acetate extracts had the highest concentrations of secondary metabolites, including phenolic content (122.52 ± 4.27 GAE mg/100 mg), total flavonoids (91.86 ± 2.65 QE mg/100 mg), and alkaloids (82.18 ± 0.72 COLE mg/100 mg). In addition, strong antioxidant activities were observed in the DPPH • scavenging assay (IC 50 11.51 ± 2.28 µg/mL), ABTS ·+ radical cation scavenging activity (97.42 ± 7.19 µM TE/g), and FRAP assay (14.34 ± 1.24 mM Fe(II)/mg). Based on preliminary analysis, the ethyl acetate extract was fractionated using thin-layer chromatography (TLC), yielding two distinct fractions with Rf values of 0.31 and 0.76. GC–MS analysis of these fractions identified 33 bioactive compounds. These fractions exhibited anticancer activity against the A549 lung cancer cell line, with IC 50 values of 47.25 µg/mL and 48.31 µg/mL, as determined by the MTT assay. Furthermore, absorption, distribution, metabolism, excretion, and toxicity (ADMET) studies on 25 selected compounds indicated favorable pharmacokinetic properties and drug-likeness. In silico molecular docking showed strong binding affinities of these bioactive compounds to the p21 protein, comparable to the synthetic drug Cisplatin–quercetin. The results highlight the potential of O. latifolia in anticancer therapy, particularly through modulation of the p21 pathway, supported by in vitro cytotoxicity assessments, molecular docking, and ADMET analysis.

The biogenic synthesis of metal nanoparticles (MNPs) through the reduction of metal ions using secondary metabolites extracted from plants is considered an eco-friendly and bio-safe method. In this study, palladium nanoparticles (Pd-NPs) were synthesized through biogenic synthesis. Pd-NPs were obtained using an aqueous leaf extract of Crateva religiosa , exhibiting the desired physicochemical properties in terms of structure, optics, and photocatalytic activity. The characterization of prepared biogenic Pd-NPs was achieved by UV-Vis spectroscopy, FT-IR, XRD, SEM, EDX, and HR-TEM. As a result of characterization, UV-Vis spectrum exhibited a maximum absorbance at a wavelength of 420 nm. In the XRD analysis, five basic peaks attributed to Pd-NPs, and an average crystallite size was 10.31 nm. In addition, SEM and HR-TEM determined that Pd-NPs have a quasi-spherical shape, and an average size of 15–20 nm was tested antimicrobial activity with Bacillus subtilis , Klebsiella pneumonia , Aspergilus niger , and Aspergillus tamarii. Pd-NPs at 30 μg/mL exhibited bacteriocidal and anti-fungistatic activity. In addition, Pd-NPs inhibited the formation of the biofilm layer by B. subtilis and K. pneumoniae by 85.63% and 92.78%, respectively. Pd-NPs also exhibited potential free radical scavenging activity in a dose-dependent manner. Pd-NPs displayed a remarkable anti-inflammatory activity of 96.68% according to the albumin denaturation inhibitory assay. Furthermore, they exhibited anticancer activity against A549 cell lines, with an IC-50 value of 28.25 μg/mL determined through in vitro cytotoxicity assessment using the MTT assay. The photocatalytic activity was observed by the degradation of fast green dye (95.28%) and Rose Bengal dye (95.15%) at pH 3 and 150 min of exposure time and under sunlight. Moreover, the Pd-NPs positively impacted seed germination on horse gram. Overall, the results indicate that Pd-NPs, obtained through biogenic synthesis, have the potential to serve as agents for various biological and environmental applications. Graphical abstract

Many experiments affirm the notion that augmentation of neurotrophic factors (NTFs) activity, especially brain-derived neurotrophic factors and glial cell-derived neurotrophic factors, could prevent or halt the progress of neurodegeneration in Parkinson’s disease (PD). In this study, we investigated the therapeutic accomplishment of geraniol (GE 100 mg/kg) on 1-methyl-4-phenyl-1, 2, 3, 6-tetrahydropyridine (MPTP)-induced mice model of PD. Current investigation proved that pretreatment with GE ameliorates the MPTP-induced alterations in behavioral, biochemical, immunohistochemical, and immunoblotting manifestations in mice. Systematically, the loss of dopaminergic neurons and reduced NTFs mRNA expressions induced by MPTP was ameliorated to a significant extent by pretreatment with GE. We found that GE confers a potent neuroprotective agent against MPTP-induced dopaminergic denervation and may become a potential therapeutic agent for PD and/or its progression.