Solution to these questions may also arise from multidisciplinary

Solution to these questions may also arise from multidisciplinary approaches. The knowledge gained will help to understand one of the most fundamental processes of carbohydrate metabolism and its utilization pathway according to an organism’s need. With biotechnological manipulation, Invertase can be transformed into a billion dollar solution for yield improvement in plants and crops, support for cancer patients and high quality anti-oxidant product. All authors have none to declare. “
“India has often been referred to as the medicinal garden of the world and the medicinal plant Saraca asoca has been regarded as one of the foremost plants utilized from antiquity till date. S. asoca

(Roxb.) de Wilde, is a small evergreen tree, belongs to the family Caesalpiniaceae. Different parts of S. asoca plant have been attributed with high medicinal value. S. asoca bark extracts are often used ISRIB mouse in Leucorrhea. 1 Flowers have shown encouraging PCI-32765 nmr anti-ulcer activity in albino rats. 2 Saracin, a

lectin purified from Saraca indica seed integument, has been found to agglutinate human lymphocytes and erythrocytes irrespective of the blood group; it causes agglutination of Ehrlich ascites carcinoma (EAC)3 cells as well as animal erythrocytes. 3 Moreover, chemo-preventive activity of flavonoid fraction of S. asoca flower was reported in skin carcinogenesis. 4 Larvicidal activity has also been recorded by using new Saraca bark and leaves. 5 Biochemical analyses have shown that leaves of S. asoca contain carbohydrates, proteins, glycosides, flavonoids, tannins and saponins. 6 Different plant parts of S. asoca provide antibacterial, 7, 8 and 9 CNS depressant, 10 anti-pyretic, 11 anthelmintic, 12 and analgesic activities. 13 The term ‘antioxidant’ means ‘against oxidation’ and may be defined as any substance that retards or prevents deterioration, damage or destruction of living cells/tissues by oxidation. The 1,1,diphenyl-2-picryl hydrazyl (DPPH) radical is widely used as the model system to investigate the scavenging activities in plant extracts. DPPH radical is scavenged by antioxidants through the donation of proton resulting in reduced DPPH-H. The

proton radical scavenging action is known to be one of the various mechanisms for measuring antioxidant activity. Structurally gallic acid, ellagic acid and quercetin contain phenolic group, which serve as source of readily available hydrogen atoms that can easily reduce the free radicals in animal system (Fig. 1). Many reports have been found regarding their preventive and therapeutic effects in reactive oxygen species (ROS) mediated diseases like cancer, cardiovascular diseases, neurodegenerative disorders and in aging.14 High performance thin layer chromatography (HPTLC) is a suitable method for qualitative and quantitative analysis of active phytoconstituents.15 In the present study, we have investigated the antioxidant activity of different parts of S.

The activity chec

The activity learn more of the extract was more profound than quercetin – an important antioxidant flavonoid. There are no reports available on lipophilic antioxidants in this plant. The fatty acid/lipid autooxidation or metal dependent oxidant generation in cells lead to the formation of peroxyl free radicals (ROO.). The half life of ROO∙ radicals are relatively longer

than any other oxygen derived free radicals present in normal cells and are present at high steady state concentrations. Therefore, these free radicals are also of utmost importance in pathological conditions and tumor initiation.26 Therefore, lipid peroxidation inhibition capacity of the extract was assessed by TBARS assay, which is useful in quantifying the capacity of antioxidants to inhibit peroxidation. The activity SAR405838 research buy of the extract was comparable to that of quercetin and better than previously reported in H. japonicum from Nilgiris, India. 9 Hydroxyl free radicals degrade the deoxyribose of the DNA molecule releasing purine and pyrimidine bases.27 This may yield the mutagenic sites, which is one of the most important mechanisms in the initiation of cancer.16 In the present study, the extract effectively reduced the oxidative damage of the DNA. The hydroxyl free radical scavenging activity of the extract could be due to the ferrous ion chelating activity, by which it reduces the generation of hydroxyl radicals.

The phenolic profiling of the methanolic extract by HPLC had revealed the

presence of various vital phenolic acids such as chlorogenic acid, ferulic acid, gallic acid, p-coumaric acid, phloroglucinol, vanillic acid, 4-hydroxy benzoic acid; and flavonoids such as, quercetin and epicatechin. The antioxidant and antimicrobial activity of these phenolics and flavonoids are well documented and the first presence of which, substantiates the antioxidant activity of the extract. There are a few reports on flavonoids profiling of H. japonicum. But no comprehensive reports are available on phenolic profile of the plant except a report on quality evaluation of H. japonicum extracts, which showed the presence of quercetin, 3,4-dihydroxy benzoic acid and phluoroglucinols. 28 The methanolic extract of H. japonicum from Western Ghats of India was rich in total phenol and flavonol contents with moderate antimicrobial and significant antioxidant activities. The extract had shown hydrogen donation capacity, quenching of peroxyl and hydroxyl free radicals and metal chelation capacity. As discussed before, these radicals are involved in the tissue damage during normal and pathological conditions with varying degree of affects. Therefore, the plant could be a rich source for dietary antioxidants and a candidate for the extraction of vital phenolic and flavonoids in pharmaceutical industries. All authors have none to declare.

This calls for improved methods for protection of farmed salmon a

This calls for improved methods for protection of farmed salmon against virus diseases. The discovery of type I IFNs in fish opens a possibility for using them in prophylaxis against virus infections in fish. Type I IFNs are induced upon host cell recognition of viral nucleic acids [2], and protect other cells against infection by inducing numerous antiviral proteins such as Mx, ISG15, IFIT5 (ISG58) and Viperin [3], [4] and [5].

In fish, four www.selleckchem.com/products/GDC-0941.html type I IFN subtypes, named IFNa, IFNb, IFNc and IFNd, have so far been characterized [6] and [7]. IFNa and IFNd contain 2 cysteines (2C-IFNs) while IFNb and IFNc contain 4 cysteines (4C-IFNs). The largest cluster of IFN genes has been found in Atlantic salmon, encoding two IFNa, four IFNb and five IFNc genes [6]. Atlantic salmon IFNa, IFNb and IFNc and IFNd have only 22–37% amino acid sequence identity and show major differences in cellular expression properties and antiviral activities [6] and [8]. IFNa1 and IFNc induced similar strong antiviral activity against IPNV and induced similar transcript levels of antiviral genes in cell lines,

IFNb was less active and IFNd showed no antiviral activity [8]. IFNa1, IFNb and IFNc provided only transient inhibition of ISAV replication in TO cells [9]. In humans, pegylated recombinant IFN-α, mostly in combination with ribavirin, is used for treatment of chronic hepatitis C virus infections [10]. IFN-α treatment has also shown protective effects against influenza virus infection in mammals and chicken [11], [12] and [13]. However, IFN prophylaxis to below combat virus diseases Vemurafenib in vitro in domestic animals and human has apparently had limited success due to the costs of recombinant IFNs, their rapid degradation in the body and side effects. Reports on effects of IFNs against virus infection in live fish are scarce. Treatment of rainbow trout with recombinant Atlantic salmon IFNa2 injected intraperitoneally (i.p.) provided protection against IHNV infection for up to 7 days, which is not enough for prophylaxis of farmed

fish [14]. In the present work we have used a more novel approach by studying antiviral effects of intramuscular (i.m.) injection of IFN expressing plasmids in Atlantic salmon. The results showed surprising differences among IFNa, IFNb and IFNc plasmids in their ability to induce systemic expression of antiviral genes and to protect salmon from infection with a high virulent strain of ISAV. Notably, i.m. injection of IFNc plasmid provided systemic up-regulation of antiviral genes in salmon for at least 8 weeks accompanied by a high level of protection against ISAV infection. Atlantic salmon (Salmo salar L.) presmolts (35–45 g) of the strain Aquagen standard (Aquagen, Kyrksæterøra, Norway) were kept at Tromsø Aquaculture Research Station, Norway in 300 l tanks supplied with fresh water at 10 °C and were fed commercial dry food. Prior to treatments, the fish were anesthetized with 0.

Question 6 asks about the pain course pattern, scored from −1 to

Question 6 asks about the pain course pattern, scored from −1 to 2, depending on which pain course pattern diagram is selected. BMS-777607 solubility dmso Question 7 asks about radiating pain, answered as yes or no, and scored as 2 or 0 respectively. The final score between −1 and 38, indicates the likelihood of a neuropathic pain component. A score of ≤ 12 indicates that pain is unlikely to have a neuropathic component (< 15%), while a score of ≥ 19 suggests that pain is likely to have a neuropathic component (> 90%). A score between these values indicates that the result is uncertain and a more detailed examination is required to ensure a proper diagnosis ( Freynhagen et al 2006). Since

its development, four additional questions have been added to the painDETECT but do not contribute to the scoring. They ask the patient to rate their pain now and over the last four weeks, and to mark on a body chart if there is pain radiating into other parts of the body. Reliability, validity LY2157299 in vitro and sensitivity to change: There are only a few studies investigating the clinimetric properties of the painDETECT questionnaire and they show it is a good screening tool to detect a neuropathic pain component in patients with low back pain. It has excellent test-retest reliability (ICC = 0.93) and good internal consistency (Cronbach’s alpha > 0.83) ( Freynhagen et al 2006, De Andres et al 2012). The

electronic and paper version of the questionnaire demonstrated high criterion validity, compared to the reference standard of an expert pain physician, indicated by high sensitivity, specificity, and positive predictive value (all > 80%) ( Freynhagen et al 2006). However, when the questionnaire was used in patients with fibromyalgia, criterion validity was not as good (sensitivity 79%, specificity 53% and positive predictive

value 46%, Gauffin et al 2013). This indicates that the questionnaire may not be suited for use in other musculoskeletal conditions. It has been used as an outcome measure but the responsiveness or sensitivity to change has not been assessed. Neuropathic pain is a common clinical presentation that is often under-diagnosed and under-treated. Neuropathic pain is produced by injuries or diseases affecting the somatosensory many system and can manifest in disease states affecting the central and peripheral nervous system (Haanpaa and Treede 2010). Patients with neuropathic pain usually have severe, chronic symptoms that affect their quality of life and are often difficult to manage. This may be due to poor diagnosis or the presence of mixed pain states, ie, neuropathic pain plus nociceptive pain (De Andres et al 2012). Correct identification of neuropathic pain enables a more direct and specialised management strategy for these patients, and screening tools aid in the diagnosis.

These quantitative findings, informed by qualitative interviews [

These quantitative findings, informed by qualitative interviews [3] and [4] and the TPB [10] and [11], have important implications for addressing uptake of both the second MMR and dTaP/IPV. As intention to immunise was most strongly influenced by parents’ attitudes, future interventions should target the beliefs that underpin this important TPB component. For example, campaigns could explain how immunisation works to stop the spread of disease, with emphasis on eradicating buy Ruxolitinib the diseases from the country. Whilst it may be argued that

current Department of Health information addresses this adequately, parents did not refer to Government- or NHS-based information and most reported that they had based this understanding on their own knowledge and experiences. Moreover, the findings of the present study and the qualitative interviews suggest that parents do view immunisation as a social responsibility. Whilst such interventions may not alter the beliefs of those parents who do not want to immunise their children, they may sway those

parents who are uncertain in their decision. Indeed, in America, receipt Dasatinib of appropriate information has been found to enhance parents’ knowledge and acceptance of childhood immunisations [35]. Efforts are also needed to address external barriers to preschool vaccination. For example, any efforts to improve uptake of dTaP/IPV will need to examine the role of sociodemographic factors more clearly. For MMR, interventions should increase parents’ perceptions of behavioural control. For example, beliefs relating to aspects of the immunisation service (e.g. receipt of adequate information about vaccination) were particularly salient for MMR. It is clear, therefore, that general practices will need to address potential areas of dissatisfaction in order to increase not coverage and improve the overall experience of taking a child for vaccinations. Both the present research and previous work [6] have found that parents typically have little or no contact with healthcare

professionals about preschool doses and that information is not routinely sent prior to their invitation to attend. This study compared parents’ intentions to immunise preschoolers with either the second MMR or dTaP/IPV. Although there was no difference in parents’ immunisation intentions or in their scores on the other TPB components, significant predictors of intention differed. Furthermore, examination of the beliefs underlying these predictors revealed that there were differences in the extent to which these beliefs, generated from qualitative interviews with parents, were related to parents’ intentions. Efforts are now needed to address the factors that influence uptake of both vaccinations, particularly as they are normally given at the same appointment and so concerns about one are likely to influence uptake of the other.

Sally achieved her ultimate position as a morphologist despite th

Sally achieved her ultimate position as a morphologist despite the lack of an initial traditional university education. Her mother was Italian in origin. She left school at the age of 16 after taking her ‘O’ level examinations. She became an Almoners’ Clerk at The Central Middlesex Hospital, continuing her studies in the evenings this website so as to obtain the necessary qualifications to become a laboratory technician. She was appointed as a student technician at The Hammersmith Hospital and eventually achieved a position as a technician working in the operating rooms. It was there that she met her life-long mentor,

Professor Hugh Bentall. Under his subsequent tutelage, she began to prepare homograft heart valves, but technical work did not satisfy her inquiring mind. So, encouraged by Hugh, she studied anatomy under Professor Tony Glenister at The Charing Cross Hospital Medical School, passing an examination on basic anatomy and laboratory procedures GS-7340 concentration which made her eligible to complete further studies. These produced a thesis qualifying for the degree of Master of Philosophy, and following this, another thesis on the functionally univentricular heart,

which resulted in the award of Doctor of Philosophy from the University of London. It was the study of congenitally corrected transposition that brought Sally initially into contact with Ton Becker and Bob Anderson. They had recently rediscovered the location

of the atrioventricular conduction tissues in this lesion, and Sally helped them to demonstrate this crucial feature to surgeons who came together annually from all around the World to attend the old Hammersmith conferences. This led to a joint publication on the anatomy of congenitally corrected transposition. When she became appropriately qualified in anatomy, Sally was appointed to the Academic staff of the Department of Surgery at the Royal Postgraduate Medical School. In this capacity, she produced works on the anatomy of Marfan’s syndrome, the coronary arteries in general, and development Resminostat of the septal structures within the heart. After her retirement from the Hammersmith, she continued to support Hugh, and some of her happiest times were spent as they fulfilled invitations to become Visiting Professors of Harvard University, Johns Hopkins University, the University of Nagoya, and the University of Padua. During this time, she also did sterling work in cataloguing the archive of congenitally malformed hearts at Great Ormond Street Hospital for Children. Aside from her academic achievements, Sally was wonderful company and a remarkably generous host. Her culinary skills were matched only by her excellence as a gardener. She was at her best when entertaining friends at her retirement home in Southwest London. The format of her memorial service showed that she was able to retain these skills from beyond the grave.

5 ml extract solution and observed for white precipitation which

5 ml extract solution and observed for white precipitation which indicates presence of tannin. 0.2 g of the extract was shaken with 5 ml of distilled water and then heated to boil. Frothing shows the presence of saponin. 0.2 g of the extract was dissolved in 10% NaOH solution, yellow colouration indicates the presence of flavonoid. To 2 ml of extract solution, added 2 ml of alcohol and few drops of ferric chloride solution and observed for colouration. Five ml of each extract was treated with 2 ml of glacial acetic acid containing one drop of ferric chloride solution. This was under layered with 1 ml of conc. sulphuric MAPK inhibitor acid. A brown ring at the interface indicated

the present of cardiac glycoside. (A violet ring may appear below the ring while in the acetic acid layer, a greenish ring may formed). 0.5 g extract was boiled with conc. HCl and filtered. 0.5 ml of picric

acid and Mayer’s reagent was added separately to about 1 ml of the filtrate in a different test tube and observed for coloured precipitate or turbidity. To 0.2 g of extract, added 5 ml of chloroform and 5 ml of 105 ammonia solution. The presence of bright pink colour in the aqueous layer indicated the presence of anthraquinone. Five ml of extract solution was mixed in 2 ml of chloroform, and 3 ml of conc. sulphuric acid was added to form a layer. A reddish brown colouration of the interface Crizotinib in vivo was formed to indicate the presence of terpenoids. Red colour at the lower surface indicates presence of steroid. To 0.5 ml of extract solution, 1 ml of water and heated after adding 5–8 drops of Fehling’s solution. Brick red precipitation indicated the presence of reducing sugar. Antioxidants react with 1, 1-diphenyl-2-picryl-hydrazyl (DPPH) radical and convert it to 1, 1-diphenyl-2-picryl hydrazine. The degree of change in colour from purple to yellow can be used as a measure of the scavenging potential of antioxidant extracts. Aliquots of ethanol extract solutions (1 mg/ml) were taken and made up the volume to 3 ml with methanol. 0.15 ml of freshly prepared DPPH CYTH4 solution

was added, stirred and left to stand at room temperature for 30 min in dark. The control contains only DPPH solution in methanol instead of sample while methanol served as the blank (negative control). Absorbance was noted at 517 nm using the Systronics make spectrophotometer (Visiscan 167). The capacity of scavenging free radicals was calculated as scavenging activity (%) = [(Abscontrol−Abssample/Abscontrol)] × 100 where Abscontrol is the absorbance of DPPH radical + methanol; Abssample is the absorbance of DPPH radical + sample extract/standard. The ABTS assay was carried out following the method of Re et al.9 The stock solution included 7 mM ABTS solution and 2.4 mM potassium persulfate solution and mixed them in equal proportion then allowed to react for 12 h at room temperature in the dark and diluted by mixing 1 ml ABTS solution with 60 ml methanol to obtain an absorbance of 0.706 ± 0.

The cream is effective for treating the warts or lesions without

The cream is effective for treating the warts or lesions without scarring the skin.10 Chemical structure of Imiquimod is shown in Fig. 1. Literature survey revealed that there is no any HPLC method reported for determination of imiquimod content in imiquimod cream. For imiquimod active pharmaceutical ingredient (API) and for some biological samples, few methods were reported but no method has been reported for imiquimod topical preparations (imiquimod creams). This proposed method is very simple and rapid for quality analysis of imiquimod content in imiquimod cream. Imiquimod standard

and cream samples were obtained as a gift samples from Cipla Limited. Ortho phosphoric acid (GR grade), triethyl amine (GR Grade), potassium dihydrogen phosphate and hydrochloric acid (GR Grade) were purchased from qualigens. click here HPLC grade Acetonitrile was obtained from Rankem. Auto sampler

high performance liquid Chromatograph Shimadzu 2010 equipped with software “class-vp” along with UV and PDA detector was used. Mobile phase was a mixture of 10 mM monobasic phosphate containing 0.1% triethylamine adjusted to pH 2.45 with ortho phosphoric acid and acetonitrile in ratio of 70:30 v/v. Mobile phase was filtered through a 0.45 μm nylon filter and degassed for 5 min using an ultrasonicator. Mobile phase Sirolimus research buy was pumped through the column at a flow rate of 1.4 mL min−1. Analyses were carried out at 40 °C temperature and eluents were monitored at detection wavelength of 245 nm.

The total run time was set as 5 min. The injection volume was 20 μl. Prior to the first injection; the column was equilibrated for 25 min with the mobile phase flowing through the system. Using these analytical conditions, imiquimod was eluted for about 3.0 min. Diluent was prepared by mixing 0.1 N HCl and acetonitrile in the ratio7:3 (v/v). Accurately weighed about 50 mg of imiquimod standard was taken in a 200 mL volumetric whatever flask. About 150 mL diluent was added and mixture was dissolved by sonication and it was diluted up to mark with diluents. 5 mL of this solution was further diluted to 100 mL with mobile phase. Cream sample equivalent to 50 mg of imiquimod was weighed and taken in a 200 mL volumetric flask to which 150 mL of diluent was added and the mixture was sonicated for 40 min with intermittent shaking and then cooled at room temperature. The resulting solution was diluted with diluent up to the mark. 5 mL of this solution was further diluted to 100 mL with mobile phase. Filtered solution through 0.45 μm Teflon syringe filter. Specificity of proposed method was determined by checking blank and placebo interference at the retention time of imiquimod peak. Identification of imiquimod peak in sample solution was confirmed by comparing retention time of imiquimod peak with retention time of standard solution of imiquimod. Also imiquimod peak was checked for peak purity using Photo diode array detector (PDA).

Therefore, learn mo

Therefore, Akt inhibition these residues could be of antigenic significance in serotype A viruses which requires further investigation. Phylogenetically, the viruses were grouped into two topotypes (African and Asian) within serotype A FMDV. In East Africa, only four genotypes (I, II, IV, and VII; Fig. 2) of African topotype viruses were found to be circulating, along with four viruses from Egypt and five viruses

from COD. Interestingly, all the viruses isolated from COD belong to genotype I (Fig. 2), similar to isolates from neighbouring countries such as Tanzania and Kenya, suggesting cross-border livestock movement and/or trade between these countries as observed in Uganda [40], Libya and Egypt [37]. A-EA-1981 virus was assigned to genotype II, however no further viruses of this genotype have been detected in the region since. The Asian topotype viruses (A-IRAN-2005 like viruses) were detected only in Egypt and Libya. These viruses were also detected in 2013 in Egypt and may still be circulating in the region. The scenario in Egypt is further complicated by circulation of two African Ku-0059436 concentration genotypes (G IV and VII; Fig. 2) thereby making FMD control

very difficult. The introduction of A-IRAN-2005 like viruses to Africa could be the result of trade between the Middle East and African countries [37]. BEAST analysis using selected models revealed that the mean rate of nucleotide substitution in the capsid coding region of the viruses (year of isolation 1964 to 2012) was estimated to be 3.09 × 10−3 substitution/site/year (95% HPD 2.02 × 10−3 to 4.16 × 10−3). This is lower than the rate

reported for VP1 sequences of serotype A viruses [41] and that for P1 sequences of A-Iran-05 like viruses from the middle-East [26]. The mean estimate of the time of emergence for the most recent common ancestor was found to be about 128 years before the present (ybp) [95% highest posterior density (HPD): TCL 69 to 212]. This compares to a previous estimate of about 178 ybp (in 1823) for the emergence of serotype A viruses [41]. According to our estimation, the common ancestor of East Africa serotype A viruses existed around 1926 (Fig. 2). Analysis of the variability of the capsid amino acids of the type A viruses from East-Africa revealed VP4 to be highly conserved and VP1 to be highly variable (Table 2a and Fig. 3a); similar to earlier reports on type A viruses from the Middle East [26]. The residues with a score greater than 1.0 (16 in VP1, 10 in VP2 and 3 in VP3) are shown in Fig. 3a indicating that more than 50% of the residues with a high variability score are present in VP1. All but two (VP1-33 and VP2-207) of these residues were found to be surface exposed (Fig. 3b–d). The association between the numbers of aa changes and the serological reactivity (expressed as probability of protection; r1-value ≥0.3) between vaccine and virus strain pairs was assessed using a GLM model.

In contrast, in the United States, the coverage of the three-dose

In contrast, in the United States, the coverage of the three-dose series of HPV vaccine was only 34.8% in 2011 and 33.4% in 2012 among 13 to 17 year old girls vaccinated by primary care physicians [78]. A higher coverage is being achieved through school-based vaccination programmes,

rather than through primary care-based programmes. However, school-based programmes need to make increased efforts to reach out-of-school children, especially in low-resource countries [70]. The high price of the current HPV vaccines has been a hurdle in the introduction of the vaccines, especially in developing countries [79]. Industrialised countries pay a price as high as 120 USD per dose [79]. Around 40 countries had introduced HPV vaccine into their national immunization programme by the beginning of 2012 [70]. Since May 2013, the GAVI Alliance, through selleck screening library UNICEF, can purchase the quadrivalent vaccine at a reduced price of US$ 4.50 per dose, and the bivalent vaccine for US$ 4.60 per dose [80].

With this commitment, more countries will be able to introduce OSI 744 this live-saving vaccine. The first countries benefitting from GAVI support through HPV demonstration projects include Kenya, Ghana, Lao PDR, Madagascar, Malawi, Niger, Sierra Leone and Tanzania [80]. However, middle-income countries have limited or no access to external funding for the introduction of new vaccines. As a consequence, these countries might lag behind in the introduction of new vaccines [81]. Members of the Pan American Health Organization (PAHO) can buy the HPV vaccine

at a reduced cost: the PAHO Revolving Fund offers the vaccines at around US$ 13 per dose [82]. Some other middle-income countries have received support for HPV vaccine introduction from external sources like donations from manufacturers and supported programme-assisted funding [81]. As of September 2012, 10 middle-income countries have introduced HPV vaccine and another 12 countries are conducting pilot studies [81]. The two available prophylactic HPV vaccines have the potential of considerably reducing HPV-related morbidity and mortality. Both vaccines are based on Adenosine VLPs of the L1 capsid protein, and are highly immunogenic and efficacious if given before exposure to HPV, i.e. to adolescent girls between 9 and 13 years old in a three-dose schedule. However, some challenges, such as the cost of the vaccines and the logistics and delivery of a vaccine to adolescent girls, prevent high global coverage of the HPV vaccine. With the recent price reduction offered to the GAVI Alliance, more low-income countries will be able to introduce the HPV vaccine, although challenges for co-payments and a sustainable delivery platform remain. Innovative financing mechanisms will be needed to address this, as well as the needs of middle-income countries.