Impact of papain on the treatment of raw diluted dromedary semen.

A variety of parameters, including liquefaction and semen viscosity, affect the sperm's ability to travel and reach the egg for fertilization and conception. Given that the details behind the viscosity of the semen in male camels have not yet been fully clarified, the purpose of this study was to ascertain how the addition of papain affected the viscosity of fresh diluted camel semen. The study examined semen samples derived from camels that had distinct viscosities. Sperm motility, viability, abnormal sperm percentage, concentration, viscosity, morphometry, acrosome integrity and liquefaction were among the evaluations following 0, 5, 10, 20 or 30 min of incubation at 37°C with papain (0.004 mg/mL, 0.04 mg/mL or 0.4 mg/mL; a semen sample without papain was used as a control). A statistically significant interaction between the effects of papain concentrations and incubation time was found (F = 41.68, p = .0001). Papain concentrations (p = .0001) and incubation times (p = .0001) both had a statistically significant impact on viscosity, according to a simple main effects analysis. A lower viscosity was found (p < .05) at 0.04 mg/mL (0.1 ± 0.0) after 10 min of incubation. A simple main effects analysis showed that papain concentrations and incubation time have a statistically significant effect on sperm motility (p = .0001). At 0.04 mg/mL papain, the sperm motility % was higher (p < .05) after 10 min (64.4 ± 4.8), 20 min (68.4 ± 6.2), and 30 min incubation (72.2 ± 6.6) compared to 0, 5 min (38.3 ± 4.1 and 51.6 ± 5.0, respectively). In conclusion, the fresh diluted camel semen had the lowest viscosity properties after 10 min of incubation with 0.04 mg/mL papain, without compromising sperm motility, viability, acrosome integrity and sperm morphology.

Potassium silicate and vinasse enhance biometric characteristics of perennial sweet pepper (Capsicum annuum) under greenhouse conditions.

An effective strategy for enhancing fruit production continuity during extended sweet pepper season involves adopting innovative biostimulants such as potassium silicate (PS) and vinasse. Adjusting PS and vinasse concentrations are crucial for maintaining the balance between vegetative and fruit growth, particularly in sweet pepper with a shallow root system, to sustain fruiting over prolonged season. However, the interaction between PS and vinasse and the underlying physiological mechanisms that extend the sweet pepper season under greenhouse conditions remain unclear. This study aimed to investigate the impact of PS and vinasse treatments on the yield and biochemical constituents of perennial pepper plants cultivated under greenhouse conditions. For two consecutive seasons [2018/2019 and 2019/2020], pepper plants were sprayed with PS (0, 0.5, and 1 g/l) and drenched with vinasse (0, 1, 2, and 3 l/m3). To estimate the impact of PS and vinasse on the growth, yield, and biochemical constituents of pepper plants, fresh and dry biomass, potential fruit yield, and some biochemical constituents were evaluated. Results revealed that PS (0.5 g/l) coupled with vinasse (3 l/m3) generated the most remarkable enhancement, in terms of plant biomass, total leaf area, total yield, and fruit weight during both growing seasons. The implementation of vinasse at 3 l/m3 with PS at 0.5 and 1 g/l demonstrated the most pronounced augmentation in leaf contents (chlorophyll index, nitrogen and potassium), alongside improved fruit quality, including total soluble solid and ascorbic acid contents, of extended sweet pepper season. By implementing the optimal combination of PS and vinasse, growers can significantly enhance the biomass production while maintaining a balance in fruiting, thereby maximizing the prolonged fruit production of superior sweet pepper under greenhouse conditions.

Effect of pyometra on vascularity alterations, oxidative stress, histopathology and inflammatory molecules in feline.

This study aimed to investigate blood flow, hemodynamical features by Doppler ultrasound, the oxidative stress biomarkers from serum samples, and histopathology from uterine tissue, in healthy queens and queens with pyometra. Twenty queens were categorized into two groups, according to signs, history, and ultrasound findings, as pyometra and control healthy queens. Doppler ultrasonography, total antioxidant capacity (TAC), malondialdehyde (MDA), albumin, bacteriological isolation, histopathology, and immunohistochemistry of tumor necrosis factor-alpha (TNF-α) and nuclear factor kappa B (NF-κB) P65 were performed. Uterine diameter and thickness increased significantly in the pyometra group compared to control. Uterine peak velocity and flow rate were significantly higher in the control group. The pyometra group showed a significant decrease in albumin, TAC, and a significant increase in MDA. Fibrosis and mononuclear inflammatory cell infiltration were seen in the pyometra samples. The mean area percentage of TNF-α expression in the uteri of the pyometra group was higher. The expression of NF-κB P65 in the uteri in the pyometra group was significantly higher. Doppler ultrasonography can provide valuable information for diagnosing pyometra in queens by elevating the uterine thickness with reducing blood flow rate. Oxidative stress, TNF-α, and NF-κB expression alterations varied between pyometra and control groups.

Isolation and characterization of vaginal Lactobacillus spp. in dromedary camels (Camelus dromedarius): in vitro evaluation of probiotic potential of selected isolates.

Lactobacillus spp. is one of the beneficial lactic acid producing microbiota in the vagina, which is important for a healthy vaginal environment. However, little is known about vaginal Lactobacillus in dromedary camels (Camelus dromedarius). Therefore, this study aimed to isolate vaginal lactic acid bacteria (LAB) in dromedary camels and to study the probiotic potential of selected isolates. A total of 75 vaginal swabs were collected from pluriparous, non-pregnant, non-lactating dromedary camels. The LAB were isolated using deMan, Rogosa and Sharpe broth and agar media. Suspected LAB isolates were subjected to catalase testing and Gram staining and examined for indole production, nitrate reduction, hemolytic activity, cell surface hydrophobicity, auto- and coaggregation, antibacterial activity and characterized by 16S rRNA amplification and sequencing. Eighteen LABs were isolated from the 75 vaginal swabs. Among the 18 LAB isolates, six were Lactobacillus plantarum, eight were Lactobacillus fermentum, and four were Lactobacillus rhamnosus. None of the LAB isolates was hemolytic and only four LAB were H2O2 producing. The percentage of hydrophobicity ranged from 0% to 49.6%, 0% to 44.3% and 0% to 41.6% for hexadecane, xylene and toluene, respectively. All isolates showed higher (P < 0.05) autoaggregation after 24 h of incubation compared to 4 h. Furthermore, all LAB showed higher coaggregation (P < 0.05) and antimicrobial activity toward Staphylococcus aureus than to Escherichia coli. All LAB isolates were vancomycin resistant and sensitive to streptomycin, erythromycin, kanamycin and chloramphenicol. Only, three LAB isolates were resistant to tetracycline. The dromedary camel vaginal LAB isolates exhibited varying degrees of in vitro probiotic properties tested in this study and showed promising activity against the most common bacterial causes of endometritis in dromedary camels. Further investigation of the in vivo effect of these isolates is warranted.

Acute phase proteins, proinflammatory cytokines and oxidative stress biomarkers in sheep, goats and she-camels with Coxiella burnetii infection-induced abortion.

Acute phase proteins (APPs) and oxidative stress are helpful markers in diagnosis of several infectious diseases. APPs, proinflammatory cytokines and oxidative stress markers were evaluated for their role in the diagnosis of naturally acquired Coxiella burnetii (Q fever) associated with abortion in sheep, goats and she-camels. Blood, aborted materials and vaginal swabs were collected from mixed herds in the Eastern Province of Saudi Arabia. Antioxidant biomarkers showed significant decline in cases of abortion compared to control animals at delivery time. The correlation between disease status and all parameters ranged from moderate to high. The APPs, cytokines and the oxidative stress marker malondialdehyde (MDA) displayed a high degree of distinction between aborted sheep and goat and normal delivered animals (AUC > 0.90). However, only MDA showed a high degree of differentiation (AUC > 0.90) between aborted she-camels and normal delivered controls. In conclusion, results from our study allow us to recommend using APPs, cytokines and oxidative stress markers as an additional tool for diagnosis of naturally occurring C. burnetii infection in sheep, goats and she-camels. However, it does not replace standard procedures for detection of C. burnetii.

A study on some reproductive disorders in dromedary camel herds in Saudi Arabia with special references to uterine infections and abortion.

Dromedary camels complaining from conception failure or abortion were investigated and their herders interviewed in Al Ahsa province, Kingdom of Saudi Arabia (KSA) during 2013 and 2015. The most important reproductive disorder according to the responders is uterine infection (60.2%) followed by obesity (22.3%) then physiological conditions (hormonal disturbances; 7.8%), adhesions (3.9%) and repeat breeders (2.9%). Of the camel herders, 78.6% reported previous occurrence of abortion in their herds and 46% reported abortion cases in the last season (2015/2016), while 21.4% reported no history of abortion. Most of the responders (97.1%) do not call a veterinarian for cases of abortion in their herds and 53.4% do not discard aborted materials. The majority of the herders (76.7%) deny that handling aborted materials or touching vaginal fluids can result in human infection, or replied they do not know. Uterine swab samples were collected and tested by PCR for seven potential pathogens and sera tested for antibodies against bovine viral diarrhea virus (BVDV) and Brucella. Five pathogens were identified in infected uterine samples, namely Coxiella burnetii (36%), Campylobacter spp. (27%), Brucella spp. (17%), Salmonella spp. (13%), and Chlamydia spp. (7%). Sero-prevalence of Brucella and BVDV was 8.2 and 29.1% in overall sera, respectively, and varies with regard to the region. The findings of the present study demonstrate that reproductive disorders dominated by uterine infections and abortions are widespread in dromedary camels in KSA.

Heart-type fatty acid-binding protein as a predictor of cardiac ischemia in intractable seizures in children.

BACKGROUND: Children with intractable epilepsy have chronic dysfunction of the autonomic nervous system causing myocardial ischemia. Heart-type fatty acid-binding protein (H-FABP) is a sensitive biomarker for myocardial ischemia. AIMS: We aimed to evaluate serum levels of H-FABP during seizures compared to their interictal levels and healthy controls and changes in heart rate (HR) and HR variability (HRV) in epileptic children with intractable seizures. MATERIALS AND METHODS: We included 30 epileptic seizures in 25 children with intractable epilepsy and 30 matched controls. They were subjected to video-electroencephalography monitoring simultaneously with Holter electrocardiogram and measurement of H-FABP. RESULTS: Mean serum levels of H-FABP were increased significantly in patients either in the ictal or interictal periods compared to that in the controls (P < 0.001 and P< 0.01, respectively). There is no significant difference in serum levels of the H-FABP in the ictal and interictal periods. The basal time domain measures of HRV were significantly lower in the patient group compared to the control group. CONCLUSION: H-FABP might suggest a degree of myocardial ischemia in intractable epilepsy. HRV is impaired in patients with refractory seizures.

Pregnancy-Associated Changes of IgG and Serum N-Glycosylation in Camel (Camelus dromedarius).

The dromedary camel (Camelus dromedarius) is an agriculturally important species of high economic value but of low reproductive efficiency. Serum and IgG N-glycosylation are affected by physiological and pathogenic changes and might therefore be a useful diagnostic tool in camel livestock management. This study presents the first comprehensive annotation of the N-glycome from dromedary camel serum as well as their single-domain and conventional antibodies and its subsequent application for camel pregnancy diagnostics. N-glycans were released by PNGaseF, labeled with 2-aminobenzamide (2-AB), and analyzed by hydrophilic interaction liquid chromatography with fluorescent detection (HILIC-UPLC-FLD), enzymatic sequencing and mass spectrometry (MS). The use of a high-throughput robotic platform for sample preparation allowed the rapid generation of glycomics data from pregnant (n = 8) and nonpregnant (n = 8) camels of the Majaheem and Wadha breed. IgG N-glycans dominate the glycan profile of camel serum and present a mixture of core-fucosylated and noncore-fucosylated N-glycans which can contain N-glycolylneuraminic and N-acetylneuraminic acid. Significant pregnancy-associated but breed-independent increases in galactosylation, core-fucosylation, sialylation, and decreases in serum O-acetylation were observed. The monitoring of IgG and serum N-glycosylation presents an attractive complementary test for camel pregnancy diagnostics and presents an interesting tool for biomarker discovery in camel health and breeding.

Electrophilic trifluoromethylation by copper-catalyzed addition of CF3-transfer reagents to alkenes and alkynes.

Regio- and stereoselective Cu-catalyzed addition of the above hypervalent iodine reagent to alkynes and alkenes was achieved. In the presence of CuI, the reaction is suitable to perform trifluoromethyl-benzoyloxylation and trifluoromethyl-halogenation of alkenes and alkynes. Electron-donating substituents accelerate the process, and alkenes react faster than alkynes emphasizing the electrophilic character of the addition reaction.

The turn-over flap for repair of an iatrogenic hole of the concha.

We report a rare case of an iatrogenic hole of the concha and antehelix, resulting from a tight postoperative dressing, successfully repaired by a local postauricular turn-over flap. The technique is very simple and gave a very good cosmetic result.

V-N plasty for the release of severe postburn contractures.

The authors describe a technique for the release of severe postburn contractures of the web spaces by using all the available tissues in the web space as local flaps to avoid using skin grafts or distant flaps. We rely on the central part of the web to raise the main triangular flaps that may be used to create a functional web space. We called it the V-N plasty.

Paediatric burns in Kuwait: incidence, causes and mortality.

From a prospective study on burn patients admitted at the Burn Center in Kuwait during 1993-2001, 826 paediatric burn cases, in 0-14 years age group, were retrieved to study incidence, causes, and mortality among children. The demographic characteristics, clinical features, and outcome constituted our data file in Statistical Software, SPSS. Overall incidence rate was 17.5/100,000 children aged 0-14 years, being almost twice (34/100,000) among those between 0 and 4 years, constituting 70.8% of all paediatric burns. Scald was the main cause of burn (67%), followed by flame (23%). Mean age (6.4 years) of children with flame burns, was significantly higher (p < 0.001) than those with scalds, or other causes. A positive significant correlation existed between duration of hospital stay and TBSA% (r = 0.56, p < 0.001). Overall mortality rate was 0.23/100,000 children, maximum (0.52/100,000) being in children below 5 years. Among 11 (1.3%) non-survivors, flame burns caused nine fatalities. Multiple logistic regression mooring predicted children aged < 5 years, flame burns and TBSA >or= 70%, (OR = 29.2, p < 0.001), as main contributing factors to fatal outcome among children. Gender and nationality had no influence on incidence or mortality. These findings will hopefully stimulate development of targeted and sustainable interventions for reducing burns occurrence among identified paediatric high-risk groups.

Predicting factors influencing the fatal outcome of burns in Kuwait.

A prospective study was carried out on a total of 2111 burn patients admitted at the Burn Center in Kuwait, during 1993 to 2001, with the purpose of predicting the risk factors influencing the fatal outcome. A total of 111 (5.3%) patients died, giving an annual average of 12 deaths, and a mortality rate of 0.64/100,000 population. The data, from the in-patient records, included the most commonly available demographic features viz. age, gender and nationality, as well as best recorded clinical factors, such as cause of burn, total body surface area (TBSA), duration of hospital stay and outcome, for analysis. Kolmogorov-Smirnov z test showed the median age (30 years) and TBSA (80%) significantly higher (p < 0.001) among those died as compared to 24 years and 10%, respectively in patients survived. The Chi-square test revealed a fatal outcome associated with gender and cause of burn. The multiple logistic regression model predicted patients, aged 60 years and above (OR: 9.9, p < 0.001), female gender (OR: 2.2, p < 0.016), Flame burns (OR: 3.5, p < 0.035), and TBSA > 90% (OR: 23.5, p < 0.001), as the most influencing risk factors for a fatal outcome at this burn center. Patients with these characteristics need to be given special attention during in-patient care.

An unusual case of scalp laxity following weight reduction.

The advent of fast foods, increased mechanization,advanced telecommunication and improved living standards have caused human beings to adopt sedentary life styles leading to lesser means of expending calories, accumulation of body fat and tendency to be obese. Plastic surgery can be of great help in supporting patients in their attempts at weight reduction by removing resistant body fat and excising redundant skin that may not succumb to other means of weight reduction. The authors present an unusual case of a young gentleman who developed a rare laxity of the scalp following a drastic weight reduction. Scalp reduction led to a significant cosmetic improvement and psychological acceptance of body image. A review of literature and discussion on the management of this unusual case follows.

Infantile systemic hyalinosis.

Infantile systemic hyalinosis (ISH) is a rare familial autosomal recessive disease of unknown etiology. The clinical features are evident either at birth or within 6 months of life. The presentation is painful progressive joint contractures, thickened skin with hyperpigmentation over prominences, small pearly facial papules, gingival hypertrophy, fleshy nodules in the perianal region, diarrhea, increased susceptibility to bone fractures, infections, and failure to thrive. This is a progressive disorder that may lead to death within first 2 years of life, mostly due to recurrent chest infection and diarrhea. Two patients with ISH, one aged 14 years and another aged 10 years, with all the clinical features, though crippled but surviving, were seen at our center. Debulking of hypertrophic gingiva and excision of some symptomatic skin masses in these patients are indicated for comfort and smooth nursing care of the patients and to allow better rehabilitation.