Molecular docking and / studies of a novel thiadiazole Schiff base as a hepatoprotective drug against angiogenesis induced by breast cancer.

Two new thiadiazole imidazolium salicylidene Schiff bases (TISSBs) were successfully synthesized, and their structures were analyzed comprehensively using spectroscopic techniques. The results of the MTT assay showed that TISSB2 was the safest and most effective anti-breast cancer agent. The anti-angiogenic activity of TISSB2 was evaluated using tests in Ehrlich ascites carcinoma (EAC)-bearing Swiss albino mice.

Production and Antibacterial Activity of Atypical Siderophore from sp. QCS59 Recovered from .

Among sixty-eight pseudomonads, isolate QCS59 from the rhizosphere of was selected based on its siderophore level. Production was optimal in Kings B supplemented with 2% peptone and 0.5% fructose at pH 6.

Synthesis, anticancer activity, docking and computational studies of new pyridyl-glycosyl hybrids and acyclic analogs.

New pyridine--glycosides and their acyclic nucleoside analogues were prepared by heterocyclization and glycosylation. The anticancer activity against HCT-116, HepG2 and MCF-7 human cancer cells and BJ-1 cell revealed that the galacto- and xylopyranosyl glycosides possessing 4-bromophenyl have superior cytotoxic activities against HepG2 cell while glycosides resulted in superior cytotoxic activities regarding MCF-7 breast cell. In case of HCT-116 colorectal carcinoma cells, two products and the derived glycosides and acyclic analogues showed potent activities.

Examining the quaternary ammonium chitosan Schiff base-ZnO nanocomposite's potential as protective therapy for rats' cisplatin-induced hepatotoxicity.

Background: Despite cisplatin's long history as a cornerstone in cancer therapy, both acquired chemoresistance and significant impacts on healthy tissues limit its use. Hepatotoxicity is one of its side effects. Adjunct therapies have shown promise in not only attenuating liver damage caused by cisplatin but also in enhancing the efficacy of chemotherapy.

Cold atmospheric plasma enhances morphological and biochemical attributes of tomato seedlings.

Cold atmospheric plasma (CAP) is a physical technology with notable effects on living organisms. In the present study, tomato seeds (Solanum lycopersicum var. Bassimo Mill.

Anticandidal Activity of a Siderophore from Marine Endophyte Mgrv7.

An endophytic symbiont -producing anticandidal siderophore was recovered from mangrove leaves for the first time. Production was optimal in a succinate medium supplemented with 0.4% citric acid and 15 µM iron at pH 7 and 35 °C after 60 h of fermentation.

Protective potential of frankincense essential oil and its loaded solid lipid nanoparticles against UVB-induced photodamage in rats via MAPK and PI3K/AKT signaling pathways; A promising anti-aging therapy.

Frankincense oil has gained increased popularity in skin care, yet its anti-aging effect remains unclear. The current study aimed to investigate the anti-photoaging effect of frankincense (Boswellia papyrifera (Del.) Hochst.

Screening for chitin degrading bacteria in the environment of Saudi Arabia and characterization of the most potent chitinase from Streptomyces variabilis Am1.

Forty-six promising chitinolytic isolates were recovered during a screening for chitinolytic bacteria in the environment of Saudi Arabia. The top three isolates belonged to the genus Streptomyces. Streptomyces variabilis Am1 was able to excrete the highest amount of chitinases, reaching the maximum at 84 h with 0.

Relation between erythropoietin resistance and metabolic syndrome in hemodialysis patients: A multicentric propensity score matched analysis.

Erythropoietin (EPO) resistance is frequently reported in hemodialysis (HD) patients. Metabolic syndrome (MetS) is a common biochemical condition that comprises central obesity, dyslipidemia, hypertension, and hyperglycemia. The present study aimed to assess the relation between MetS and EPO resistance in HD patients.

Relationship between Subclinical Hypothyroidism and Uremic Pruritis in Hemodialysis Patients.

Background And Aim: Uremic pruritus (UP) is one of the most distressing symptoms in hemodialysis (HD) patients. Subclinical hypothyroidism (SCH) is a biochemical condition with high prevalence in HD patients. The present multicentric study aimed to assess the relationship between UP and SCH in HD patients.

Antimicrobial Activity of Green Synthesized Silver Nanoparticles Using Waste Leaves of (Doum Palm).

Silver nanoparticles (AgNPs) were biosynthesized for the first time from waste leaves extract of local doum palms in Tabuk, Saudi Arabia. The transmission electron microscope (TEM) revealed a spherical shape with a particle size from 18 to 33 nm. The d-spacing is about 2.

A survey of elastase-producing bacteria and characteristics of the most potent producer, Priestia megaterium gasm32.

Ninety-one elastase-producing bacterial isolates were recovered from different localities of the Eastern Province of Saudi Arabia. Elastase from the best isolate Priestia megaterium gasm32, from luncheon samples was purified to electrophoretic homogeneity using DEAE-Sepharose CL-6B and Sephadex G-100 chromatographic techniques. The recovery was 17.

A putative cytotoxic serine protease from Salmonella typhimurium UcB5 recovered from undercooked burger.

A putative virulence exoprotease designated as UcB5 was successfully purified from the bacterium Salmonella typhimurium to the electrophoretic homogeneity with 13.2-fold and 17.1% recovery by hydrophobic, ion-exchange, and gel permeation chromatography using Phenyl-Sepharose 6FF, DEAE-Sepharose CL-6B, and Sephadex G-75, respectively.

The diminution and modulation role of water-soluble gallic acid-carboxymethyl chitosan conjugates against the induced nephrotoxicity with cisplatin.

The toxicity of cisplatin (CDDP) toward the renal tubules and its severe effects on the proximal tubules limits its further use in cancer therapy. The current study was undertaken to evaluate the protective effects of gallic acid-grafted O-carboxymethyl chitosan (GA@CMCS) against nephrotoxicity induced by CDDP in rats. Renal injury was assessed in the GA@CMCS/CDDP-treated rats using kidney injury molecule-1 (KIM-1).

Relation between Soluble CD14 Levels, Inflammation, Subclinical Atherosclerosis and Mortality in Hemodialysis Patients.

Background And Aim: Chronic kidney disease (CKD) is characterized by persistent lowgrade inflammation. Soluble CD14 (sCD14) is involved in many pathological conditions, including inflammation and atherosclerosis. The present study aimed to assess the relationship between sCD14 levels, subclinical atherosclerosis (SCA), inflammation and mortality in Egyptian hemodialysis (HD) patients.

Serum Endocan Levels and Subclinical Atherosclerosis in Patients with Chronic Kidney and End-Stage Renal Diseases.

Results: HD and CKD groups had significantly higher endocan levels when compared with control group (median (IQR): 519.0 (202.3-742.

and characterization of alkaline serine protease from D9 recovered from Saudi Arabia.

In this study, we have isolated and characterized proteolytic soil bacteria and their alkaline protease. Based on 16S rRNA sequence analysis, 12 isolates with the highest protease activity were classified as and groups. D9 isolate showing the highest protease activity was selected for and analysis for its ِِAKD9 protease.

Histological Studies on a Newly Isolated D10 Protease in the Debridement of Burn Wound Eschars Using Mouse Model.

Background: Proteases are among the most important industrial enzymes, playing a critical role in the physiological, biochemical, and regulatory processes of all living organisms. This study evaluated the histological effects of a D10 protease in combination with the antibacterial ointment silver sulfadiazine (SSD) on the burned skin of mice.

Materials And Methods: The bacterial proteolytic enzyme was produced and purified through DEAE-Sepharose CL-6B and Sephadex G-100 FF.

Pseudobactins bounded iron nanoparticles for control of an antibiotic-resistant Pseudomonas aeruginosa ryn32.

Among 50 strains of Pseudomonas aeruginosa tested for the resistance to antibiotics, strain ryn32 was selected for this study based on its resistance level. It showed complete resistance toward aztreonam and almost complete resistance (96%) against kanamycin. Iron nanoparticles (FeNPs) were then prepared and found with diameters 30-50 nm.

Isolation of a putative virulence agent, cytotoxic serine-elastase, from a newly isolated ZuhP13.

A 48 kDa ZuhP13 elastase from P. aeruginosa isolated from a urine sample was successfully purified to 8.8-fold and 39% recovery by DEAE-Sepharose CL-6B and Sephadex G-100 chromatography.

Development of Promising Thiopyrimidine-Based Anti-cancer and Antimicrobial Agents: Synthesis and QSAR Analysis.

Objective & Methodology: New hybrids of thiopyrimidine-five/six heterocyclic rings were synthesized and in vitro evaluated for their antiproliferative activity against three human cancer cell lines, namely HCT116 (human colorectal carcinoma), PC-3 (human prostate adenocarcinoma) and HepG2 (human liver carcinoma) cell lines. The most potency was elicited by the target candidates against the viability of HCT116 cell lines. It was higher than that obtained by the positive control 5-Fluorouracil (IC50 range; 0.

NEW PYRIDINE AND TRIAZOLOPYRIDINE DERIVATIVES: SYNTHESIS, ANTIMICROBIAL AND ANTIOXIDANT EVALUATION.

A novel series of pyridine and triazolopyridine derivatives have been synthesized (1-17) and characterized on the basis of their elemental analyses and spectral data. In vitro antibacterial, antifungal and antioxidant evaluation were carried out for most of the new products. Compounds 3, 5b, 6c, 6d and 13 showed promising growth inhibition against Candida albicans and Aspergillus niger comparable to fluconazole as a reference antifungal drug.

Erratum to: Umbilical cord mesenchymal stem cells derived extracellular vesicles can safely ameliorate the progression of chronic kidney diseases.

[This corrects the article DOI: 10.1186/s40824-016-0068-0.].

Umbilical cord mesenchymal stem cells derived extracellular vesicles can safely ameliorate the progression of chronic kidney diseases.

Background: Bio-products from stem/progenitor cells, such as extracellular vesicles, are likely a new promising approach for reprogramming resident cells in both acute and chronic kidney disease. Forty CKD patients stage III and IV (eGFR 15-60 mg/ml) have been divided into two groups; twenty patients as treatment group "A" and twenty patients as a matching placebo group "B". Two doses of MSC-derived extracellular vesicles had been administered to patients of group "A".

SYNTHESIS AND IN VITRO ANTIMICROBIAL ACTIVITY OF NOVEL SERIES OF 3,5-DIACETYLPYRIDINE COMPOUNDS.

Bis diacetylpyridine derivative (1) was prepared and reacted with different halo-compounds, namely: epichlorohydrine and dichloroethyl ethyl ether to give 2a,b, respectively, and reacted with morpholine and piperidine to afford Mannich products 3a,b, successively. Compound 4 was synthesized by reaction of 1 with potassium thiocyanate. Reaction of 4 with 4-chlorobenzaldehyde, glucose and phthalic or maleic anhydrides produced 5, 6 and 7a,b.