AU2021105710A4 - A novel anti-neoplastic agents for targeting colon carcinoma cells - Google Patents
A novel anti-neoplastic agents for targeting colon carcinoma cells Download PDFInfo
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- AU2021105710A4 AU2021105710A4 AU2021105710A AU2021105710A AU2021105710A4 AU 2021105710 A4 AU2021105710 A4 AU 2021105710A4 AU 2021105710 A AU2021105710 A AU 2021105710A AU 2021105710 A AU2021105710 A AU 2021105710A AU 2021105710 A4 AU2021105710 A4 AU 2021105710A4
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Classifications
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- A—HUMAN NECESSITIES
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- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
- A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
- A61K47/68—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P35/00—Antineoplastic agents
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- C—CHEMISTRY; METALLURGY
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
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Abstract
A NOVEL ANTI-NEOPLASTIC AGENTS FOR TARGETING COLON
CARCINOMA CELLS
The present invention relates to the field of biomedicine, and specifically relates to an anti
neoplastic agents targeting the colon carcinoma cells, where a substance having the ability
to bind to a receptor, wherein the receptor is uniquely expressed or overexpressed on a
surface of a colon carcinoma cell The anti-neoplastic agents is selected from the group
comprising of an alkylating and alkylating-like agent, an antimetabolites, an antitumor
antibiotics, a plant alkaloids, a Miscellaneous agents and a hormonal agents. The anti
neoplastic agents can specifically bind to colon carcinoma cells and has a nonspecific effect
on cells, and has an obvious effect, providing a reliable scientific basic for treatment. The
anti-neoplastic agent and a pharmaceutically active ingredient, or comprises the anti
neoplastic agent and the delivery vehicle described. Further, the antidote is any
pharmacological therapeutically acceptable dosage form, preferably in the form of injection.
Also, the treatment of colon carcinoma cells in any pharmaceutically acceptable dosage.
- 12 -
Description
[0001] The present disclosure relates to a composition for treatment of Colon carcinoma cells and in particular to novel Anti-neoplastic agent for targeting Coon carcinoma cells.
[0002] Cancer that starts in the colon is called colon cancer, and rectal cancer is called rectal cancer. Cancer that affects any of these organs may be called colorectal cancer. Although this is not the case in all cases, most colorectal cancers usually develop from adenoma (precancerous) polyps over time. Polyps (growth) change after a series of mutations (abnormalities) appear in the DNA of their cells. Some risk factors for colorectal cancer include colon or rectal cancer family history, diet, alcohol consumption, smoking, and inflammatory bowel disease.
[0003] Most of the colon remains inside the abdominal cavity and is called the abdominal cavity. Parts of the colon can move freely in the abdominal cavity as undigested food passes through it. Because the head in the rectum faces the large intestine, it attaches to tissues behind the abdomen called the retroperitoneal region. The end of the colon, the part that is in the retroperitoneal space, is the rectum. Unlike the rest of the colon, the rectum is held back by the tissue that surrounds it. Because of its location, treatment for rectal cancer often differs from treatment for the rest of the colon.
[0004] When colorectal cancer is diagnosed, additional tests are performed to determine the extent of the disease. This process is called staging. Staging determines how advanced colorectal cancer has become. The staging for colorectal cancer ranges from stage I, the least advanced cancer, to stage IV, the most advanced cancer.
[0005] Stage I colorectal cancers involve only the innermost layers of the colon or rectum. The likelihood of cure (excellent prognosis) for stage I colorectal cancer is over %. Stage II cancers exhibit greater growth and extension of the tumor through the wall of the colon or rectum into adjacent structures. Stage III colorectal cancers manifest the spread of cancer to local lymph nodes.
[00061 Stage IV (metastatic) colorectal cancers have spread or metastasized, to distant organs or lymph nodes far from the original tumor. With each subsequent stage of colon cancer, the risk for recurrent cancer and death due to the spread of cancer (metastasis) rises. As noted, earlier cancers have lower risks of recurrence and death. By the time an individual has stage IV colorectal cancer, the prognosis is poor. However, even in stage IV colorectal cancer (depending on where cancer has spread) the opportunity for a cure exists.
[00071 The colon is an approximately 5- to 6-foot long tube that connects the small intestine to the rectum. The colon-which along with the rectum is called the large intestine-moves and processes digesting food across your body and down towards the rectum, where it exits the body as stool.
[00081 There are several parts of the colon, including. Ascending colon in which the section is where undigested food begins its journey through the colon. Undigested food moves upwards through this section, where fluid is reabsorbed more efficiently. Second, the Transverse colon, which is Moving across the body, takes the food from one side of the body to the other (right to left). Third, is the descending colon which is once the food has travelled across the top through the transverse colon, it makes its way downward through the descending colon typically on the left side. Fourth is Sigmoid colon in which the final section of the colon, this portion is shaped like an "S" and it is the last stop before the rectum.
[0009] All cells in the body usually grow, divide, and then die to keep the body healthy and functioning normally. Sometimes this process gets out of control. Even if the cells should die, they will continue to grow and divide. When cells in the lining of the colon and rectum multiply uncontrollably, they may eventually develop into colorectal cancer.
Fortunately, most colorectal cancers start with small precancerous (adenomatous or serrated) polyps. These polyps usually grow slowly and do not cause symptoms until they become larger or cancerous. This provides an opportunity for the detection and removal of precancerous polyps before the development of cancer.
[0010] L-type amino acid transporter 1 (LAT 1) is a drug transmembrane transporter discovered in recent years. It is specifically and highly expressed on the surface of cancer cells (including kidney cancer, prostate cancer, bladder cancer, colorectal cancer, and lung cancer). Cancer, breast cancer, pancreatic cancer, lung cancer, etc.).
[0011] The function of LAT Iis mainly to transport essential amino acids required for protein synthesis to cancer cells, provide adequate "nutrient supply" for the excessive division and proliferation of cancer cells, and play an important role in the rapid proliferation of cancer cells. Therefore, if a drug can inhibit the expression of LATI, the drug can inhibit the growth of cancer cells to a certain extent, and the drug has the prospect of being an anti cancer drug.
[0012] In the process of screening drugs for the treatment of cervical cancer, saponins once became the object of attention due to their abundant plant sources, easy availability, good curative effect, and few adverse reactions. Ginseng root is the dried root of Panax ginseng C.A. Araliaceae Panax notoginseng, the main component of ginseng is ginsenoside, ginsenoside monomer compound has anti-tumor, anti-fatigue and anti-aging effects.
[0013] The content of ginsenoside Rbl and Rgl in natural plants is higher, while the content of Rg3, Rh2 and compound K is lower. A number of pharmacological studies have shown that rare ginsenosides (such as RhI, Rh2, Rg3, Rb3, etc.) have more precious pharmacological effects, and show unique curative effects in the treatment of certain intractable diseases such as tumors, thus becoming a research hotspot. Research. The main task of those skilled in the art is to process ginseng, increase the content of ginseng rare ginsenosides, screen the compatibility of drug formulations, and form effective anticancer prescriptions.
[00141 Colorectal cancer is one of the common malignant tumors in India. In recent years, the incidence of colorectal cancer in India has continued to increase. At present, the evolutionary history of normal intestinal mucosa-adenoma-carcinoma is called the generation and evolution process of intestinal cancer. APC, K-Ras, TP53, C-MYC and other genes are involved in it. The mechanism of the occurrence and development of intestinal cancer, but the specific mechanism of the occurrence and development of intestinal cancer needs to be further studied.
[0015] It is an object of the present disclosure, which provides a novel anti-neoplastic agents targeting colon carcinoma cells
[0016] The present concept of the present invention provides a method for targeting colon carcinoma cells using novel anti-neoplastic agents.
[0017] In an aspect, the present invention further discloses that A novel anti-neoplastic agent for targeting colon carcinoma cells, wherein the said method comprises of a substance having the ability to bind to a receptor, wherein the receptor is uniquely expressed or overexpressed on a surface of a colon carcinoma cell; and an anti-neoplastic agent that is selectively toxic to colon carcinoma cells, wherein the anti-neoplastic agent is coupled to the substance.
[0018] In an aspect, The novel anti-neoplastic agent for targeting colon carcinoma cells wherein the anti-neoplastic agent is selected from the group consisting of an Alkylating and alkylating-like agent, an antimetabolites, an antitumor antibiotics, a plant alkaloids, a Miscellaneous agents, a hormonal agents.
[0019] In another aspect, novel anti-neoplastic agent for targeting colon carcinoma cells wherein the anti-neoplastic agent has target binding to colon carcinoma cells and specifically binds to carcinoma cells
[00201 In another aspect, novel anti-neoplastic agent for targeting colon carcinoma cells the colon Carcinoma cells are colon cancer cells. The novel anti-neoplastic agent for targeting colon carcinoma cells according to the preparation of a carcinoma diagnostic kit comprising said anti-neoplastic agent or anti-neoplastic conjugate the preparation of an antidote for the treatment of colon carcinoma cells.
[0021] The preparation of an antidote for the treating of colon carcinoma cells, characterized in that the antidote comprises the anti-neoplastic agent and a pharmaceutically active ingredient, or comprises the anti-neoplastic agent and the delivery vehicle described in the preparation of an antidote for treating colon carcinoma cells, characterized in that the antidote is any pharmacological therapeutically acceptable dosage form, preferably in the form of injection an antidote for the treatment of colon carcinoma cells in any pharmaceutically acceptable dosage.
[0022] In an embodiment of the present disclosure, It is inferred that the foregoing description is only illustrative of the present invention, and it is not intended that invention be limited or restrictive thereto. Many other specific embodiments of the present invention will be apparent to one skilled in the art from the foregoing disclosure. All substitutions, alterations and modifications of the present invention which comes within the scope of the following claims are to which the present invention is readily susceptible without departing from the spirit of the invention. The scope of the invention should therefore be determined not with reference to appended claims along with the full scope of equivalents to which such claims are entitled.
[0023] Exemplary embodiments will now be described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete and will fully convey the scope of the invention to those of ordinary skill in the art. Moreover, all statements herein reciting embodiments of the invention, as well as specific examples thereof, are intended to encompass both structural and functional equivalents thereof. Additionally, it is intended that such equivalents include both currently known equivalents as well as equivalents developed in the future (i.e., any elements developed that perform the same function, regardless of structure).
[0024] The antineoplastic agents are not easily classified. Historically, they are categorized as (1) alkylating agents, (2) antimetabolites, (3) natural products, (4) hormones and antagonists, and (5) miscellaneous. In recent years, however, the miscellaneous group has come to include some of the most important agents. Anticancer agents can also be classified by indication (lymphoma, leukemia, melanoma, solid tumor), mechanism of action (such as alkylating agents, antibiotics, biological response modifiers, antiandrogens, topoisomerase inhibitors or protein kinase inhibitors), chemical structure (folic acid analog, platinum coordination complex, purine or pyrimidine analog, monoclonal antibody) or as cytotoxic or nonspecific vs noncytotoxic or targeted.
[0025] Certain subtoxic doses of anticancer drugs can have an immunomodulatory effect, thereby changing the expression of specific molecules on the surface of tumor cells. We concluded that a possible increase in tumor cell surface markers, such as those that are important for ensuring effector-target contact and triggering cell death pathways, may improve tumor cell lysis mediated by antigen (Ag) -specific T cells.
[0026] Here, in an in vitro human colon cancer cell model, we investigated whether the anticancer drugs 5-fluorouracil (5-FU), CPT-11, or cisplatin (CDDP) can increase the expression of specific tumor cell surface markers. This can then enhance the productive lytic interaction between CD8 + CTL and silver-bearing tumor cells. According to our earlier studies, IFN-y treatment has been used as a control for CTL-mediated sensitization of lysis. Pretreatment of SW480 primary colon cancer cell line with IFN-y, 5-FU, CPT-11, or CDDP can enhance the expression of ICAM-1 and Fas, leading to Ag-specific CTL-mediated lysis, including Fas-dependent.
[00271 In contrast, pretreating metastatic SW620 isolates from the same patient with IFN-y, CPT-11, or CDDP (instead of 5-FU) can enhance ICAM-1 expression, thereby inducing Ag through Fas-specific CTL-mediated lysis. only an independent mechanism. A flow cytometric detection method was then developed to measure the effect of drug treatment on caspase signaling and apoptosis caused by the interaction between tumor targets and CTL. We found that the enhanced cleavage induced by drug treatment of targets SW480 or SW620 was accompanied by an increase in caspase-3-like protease activity. Peptide based caspase inhibitors abolish CTL-mediated apoptosis, suggesting that "chemical regulation" involves regulation of the caspase pathway.
[0028] The results show for the first time that components of the caspase pathway, such as proteases like caspase-3, play an important role in sensitizing human colon cancer cells to Ag-specific CTLs using anticancer agents. Consequently, some anticancer drugs may exhibit unique immunomodulatory properties and contribute to death from human colon cancer through the use of the lytic capacity of Ag-specific CTLs, which may influence chemoimmunotherapy strategies.
[0029] Almost all anti-tumor drugs have a certain degree of hepatotoxicity, and the damage is usually due to direct and inherent toxicity. The typical manifestation is that during treatment, severe, sexual or even fatal such as sinusoidal obstruction syndrome or toxicity despite the usual dose limitation. Myelosuppressive antitumor drugs usually have stenotic toxicity.
[0030] For this reason, many anti-tumor drugs have gained a reputation for hepatotoxicity based on marketing studies, but they are fairly well tolerated and only lead to hepatic administration (especially when used for clearing blood before hematopoietic cell transplantation). Antineoplastic drugs that can cause significant direct hepatotoxicity include busulfan, cyclophosphamide, and Dacarbaplatin L-asparaginase. At lower doses, these drugs are well tolerated.
[00311 Some antineoplastic agents can also cause idiosyncratic liver injury due to immunologic or metabolic idiosyncrasy. Thus, typical drug induced cholestatic liver injury can occur in rare instances after therapy with cyclophosphamide, azathioprine, mercaptopurine, melphalan and temozolomide. Acute hepatocellular injury can occur with flutamide, bicalutamide and thalidomide. Steatohepatitis can occur with L-asparaginase, methotrexate and tamoxifen (although this pattern may be due to direct toxicity rather than idiosyncratic injury). Selected anticancer agents have also been linked to immunoallergic hepatitis or to autoimmune hepatitis-like injury
[0032] . A distinctive autoimmune pattern is found in rare instances after monoclonal antibody therapies or with the protein kinase inhibitors. The pathogenesis of these immune reactions is not always well understood. Finally, some antineoplastic agents can cause reactivation of hepatitis B, exacerbations of chronic hepatitis C, or lead to decompensation of a preexisting cirrhosis.
[00331 The novel antitumor agent targeting colon cancer cells, wherein a substance having the ability to bind to a receptor, wherein the receptor is uniquely expressed or overexpressed on the surface of colon cancer cells; and for colon cancer An antitumor agent with selective toxicity for cells, wherein the antitumor agent is coupled to the substance. New antitumor agent to target colon carcinoma cells, wherein the antitumor agent is selected from the group consisting of alkylating agent, alkylation and the like, antimetabolites, antitumor antibiotics, plant alkaloids, various agents, hormonal agents.
[0034] A new antitumor agent for a colon carcinoma cell targeting the antitumor agent has a binding to target colon carcinoma cells, and specifically binds to carcinoma cells. The colon, which is shaped like a tube, is made up of several layers, starting with the innermost layer, the mucosa (which is made up of epithelium), and then the lamina propria and muscularis mucosa.
[0035] This is surrounded by the submucosa, which is surrounded by two layers of muscle (or muscularis), and finally, the serosa layer, which is the outside layer of the tube.
The outside of the colon is covered with a layer of fat, also called adipose tissue, which contains lymph nodes and blood vessels that feed the colon tissue and the colon Carcinoma cells are colon cancer cells.
[00361 The preparation of a carcinoma diagnostic kit containing said antitumor agent or antitumor conjugate, developed several screening tests to help physicians detect colorectal cancer before symptoms appear, when it may be more treatable.
[00371 Some tests that detect adenomas and polyps, can prevent cancer, because these tests can detect and remove growths that otherwise might become cancerous. That is, screening for colorectal cancer can be a form of cancer prevention, in addition to early detection. An antidote for treating colon cancer cells is prepared.
[0038] The treatments are most likely to help you depends on your particular situation, including the location of your cancer, its stage and your other health concerns. Treatment for colon carcinoma cells usually involves surgery to remove the cancer. Other treatments, such as radiation therapy and chemotherapy, might also be recommended.
[00391 Further, the antidote comprises the anti-neoplastic agent and a pharmaceutically active ingredient, or consists of the anti-neoplastic agent and the delivery vehicle described. The antidote is any pharmacologically therapeutically acceptable dosage form, preferably in the form of injections. Preparation of an antidote for the treatment of colon carcinoma cells in any pharmaceutically acceptable dosage.
[0040] While the foregoing describes various embodiments of the invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof. The scope of the invention is determined by the claims that follow. The invention is not limited to the described embodiments, versions or examples, which are included to enable a person having ordinary skill in the art to make and use the invention when combined with information and knowledge available to the person having ordinary skill in the art.
[00411 Thus, the scope of the present disclosure is defined by the appended claims and includes both combinations and sub-combinations of the various features described hereinabove as well as variations and modifications thereof, which would occur to persons skilled in the art upon reading the foregoing description.
Claims (6)
1. A novel anti-neoplastic agent for targeting colon carcinoma cells, wherein said anti-neoplastic agent comprises of: a substance having the ability to bind to a receptor, wherein the receptor is uniquely expressed or overexpressed on a surface of a colon carcinoma cell; and an anti-neoplastic agent that is selectively toxic to colon carcinoma cells, wherein the anti-neoplastic agent is coupled to the substance.
2. The novel anti-neoplastic agent for targeting colon carcinoma cells as claimed in claim 1, wherein an anti-neoplastic agent is selected from the group consisting of an Alkylating and alkylating-like agent, an antimetabolites, an antitumor antibiotics, a plant alkaloids, a Miscellaneous agents and a hormonal agents.
3. The novel anti-neoplastic agent for targeting colon carcinoma cells as claimed in claim 1, wherein the anti-neoplastic agent has target binding to colon carcinoma cells and specifically binds to carcinoma cells.
4 The novel anti-neoplastic agent for targeting colon carcinoma cells as claimed in claim 3, wherein the colon Carcinoma cells are colon cancer cells.
5. The novel anti-neoplastic agent for targeting colon carcinoma cells as claimed in claim 2, wherein the preparation of a carcinoma diagnostic kit comprising said anti neoplastic agent or anti-neoplastic conjugate.
6 The novel anti-neoplastic agent for targeting colon carcinoma cells as claimed in claim 1, wherein the preparation of an antidote for the treatment of colon carcinoma cells.
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